153350625421 has 4 divisors (see below), whose sum is σ = 175257857632. Its totient is φ = 131443393212.

The previous prime is 153350625413. The next prime is 153350625433. The reversal of 153350625421 is 124526053351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 153350625421 - 2³ = 153350625413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153350620421) 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, 10953616095 + ... + 10953616108.

It is an arithmetic number, because the mean of its divisors is an integer number (43814464408).

Almost surely, 2^153350625421 is an apocalyptic number.

It is an amenable number.

153350625421 is a deficient number, since it is larger than the sum of its proper divisors (21907232211).

153350625421 is an equidigital number, since it uses as much as digits as its factorization.

153350625421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21907232210.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 153350625421 its reverse (124526053351), we get a palindrome (277876678772).

The spelling of 153350625421 in words is "one hundred fifty-three billion, three hundred fifty million, six hundred twenty-five thousand, four hundred twenty-one".