29432644641 has 12 divisors (see below), whose sum is σ = 42518136960. Its totient is φ = 19619770680.

The previous prime is 29432644547. The next prime is 29432644643. The reversal of 29432644641 is 14644623492.

It is not a de Polignac number, because 29432644641 - 2¹¹ = 29432642593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29432644643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69525 + ... + 252386.

It is an arithmetic number, because the mean of its divisors is an integer number (3543178080).

Almost surely, 2^29432644641 is an apocalyptic number.

It is an amenable number.

29432644641 is a deficient number, since it is larger than the sum of its proper divisors (13085492319).

29432644641 is a wasteful number, since it uses less digits than its factorization.

29432644641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332076 (or 332073 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The spelling of 29432644641 in words is "twenty-nine billion, four hundred thirty-two million, six hundred forty-four thousand, six hundred forty-one".