3152421403491 has 4 divisors (see below), whose sum is σ = 4203228537992. Its totient is φ = 2101614268992.

The previous prime is 3152421403459. The next prime is 3152421403511. The reversal of 3152421403491 is 1943041242513.

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

It is not a de Polignac number, because 3152421403491 - 2⁵ = 3152421403459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3152421403421) 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, 525403567246 + ... + 525403567251.

It is an arithmetic number, because the mean of its divisors is an integer number (1050807134498).

Almost surely, 2^{3152421403491} is an apocalyptic number.

3152421403491 is a deficient number, since it is larger than the sum of its proper divisors (1050807134501).

3152421403491 is a wasteful number, since it uses less digits than its factorization.

3152421403491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050807134500.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 3152421403491 in words is "three trillion, one hundred fifty-two billion, four hundred twenty-one million, four hundred three thousand, four hundred ninety-one".