29965258641 has 16 divisors (see below), whose sum is σ = 42356115648. Its totient is φ = 18778521600.

The previous prime is 29965258637. The next prime is 29965258651. The reversal of 29965258641 is 14685256992.

It is not a de Polignac number, because 29965258641 - 2² = 29965258637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29965258651) 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, 320880 + ... + 403601.

It is an arithmetic number, because the mean of its divisors is an integer number (2647257228).

Almost surely, 2^29965258641 is an apocalyptic number.

It is an amenable number.

29965258641 is a deficient number, since it is larger than the sum of its proper divisors (12390857007).

29965258641 is a wasteful number, since it uses less digits than its factorization.

29965258641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725312.

The product of its digits is 9331200, while the sum is 57.

The spelling of 29965258641 in words is "twenty-nine billion, nine hundred sixty-five million, two hundred fifty-eight thousand, six hundred forty-one".