353136250421 has 16 divisors (see below), whose sum is σ = 381907249920. Its totient is φ = 325255534080.

The previous prime is 353136250409. The next prime is 353136250427. The reversal of 353136250421 is 124052631353.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353136250421 is a prime.

It is a super-2 number, since 2×353136250421² (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 (353136250427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9320606 + ... + 9358416.

It is an arithmetic number, because the mean of its divisors is an integer number (23869203120).

Almost surely, 2^353136250421 is an apocalyptic number.

It is an amenable number.

353136250421 is a deficient number, since it is larger than the sum of its proper divisors (28770999499).

353136250421 is a wasteful number, since it uses less digits than its factorization.

353136250421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49564.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 353136250421 its reverse (124052631353), we get a palindrome (477188881774).

The spelling of 353136250421 in words is "three hundred fifty-three billion, one hundred thirty-six million, two hundred fifty thousand, four hundred twenty-one".