30140964521 has 16 divisors (see below), whose sum is σ = 32258063376. Its totient is φ = 28062375936.

The previous prime is 30140964481. The next prime is 30140964541. The reversal of 30140964521 is 12546904103.

It can be written as a sum of positive squares in 8 ways, for example, as 241367296 + 29899597225 = 15536^2 + 172915^2 .

It is a cyclic number.

It is not a de Polignac number, because 30140964521 - 2¹⁰ = 30140963497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30140964541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6852695 + ... + 6857091.

It is an arithmetic number, because the mean of its divisors is an integer number (2016128961).

Almost surely, 2^30140964521 is an apocalyptic number.

It is an amenable number.

30140964521 is a deficient number, since it is larger than the sum of its proper divisors (2117098855).

30140964521 is a wasteful number, since it uses less digits than its factorization.

30140964521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8668.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 30140964521 in words is "thirty billion, one hundred forty million, nine hundred sixty-four thousand, five hundred twenty-one".