238257451013 has 4 divisors (see below), whose sum is σ = 238269106860. Its totient is φ = 238245795168.

The previous prime is 238257451001. The next prime is 238257451031. The reversal of 238257451013 is 310154752832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68433513604 + 169823937409 = 261598^2 + 412097^2 .

It is a cyclic number.

It is not a de Polignac number, because 238257451013 - 2¹⁴ = 238257434629 is a prime.

It is a super-2 number, since 2×238257451013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238257451073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5797208 + ... + 5838161.

It is an arithmetic number, because the mean of its divisors is an integer number (59567276715).

Almost surely, 2^238257451013 is an apocalyptic number.

It is an amenable number.

238257451013 is a deficient number, since it is larger than the sum of its proper divisors (11655847).

238257451013 is a wasteful number, since it uses less digits than its factorization.

238257451013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11655846.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 238257451013 in words is "two hundred thirty-eight billion, two hundred fifty-seven million, four hundred fifty-one thousand, thirteen".