250243134311421 has 12 divisors (see below), whose sum is σ = 361623888652572. Its totient is φ = 166754179190976.

The previous prime is 250243134311419. The next prime is 250243134311461. The reversal of 250243134311421 is 124113431342052.

250243134311421 is a `hidden beast` number, since 2 + 5 + 0 + 2 + 4 + 313 + 4 + 311 + 4 + 21 = 666.

250243134311421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 164277693531396 + 85965440780025 = 12817086^2 + 9271755^2 .

It is not a de Polignac number, because 250243134311421 - 2¹ = 250243134311419 is a prime.

It is a super-2 number, since 2×250243134311421² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250243134311411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6214730136 + ... + 6214770401.

It is an arithmetic number, because the mean of its divisors is an integer number (30135324054381).

Almost surely, 2^{250243134311421} is an apocalyptic number.

It is an amenable number.

250243134311421 is a deficient number, since it is larger than the sum of its proper divisors (111380754341151).

250243134311421 is a wasteful number, since it uses less digits than its factorization.

250243134311421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12429502780 (or 12429502777 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 250243134311421 its reverse (124113431342052), we get a palindrome (374356565653473).

The spelling of 250243134311421 in words is "two hundred fifty trillion, two hundred forty-three billion, one hundred thirty-four million, three hundred eleven thousand, four hundred twenty-one".