29545638216 has 32 divisors (see below), whose sum is σ = 75257760960. Its totient is φ = 9662724032.

The previous prime is 29545638197. The next prime is 29545638217. The reversal of 29545638216 is 61283654592.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (29545638217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11612580 + ... + 11615123.

It is an arithmetic number, because the mean of its divisors is an integer number (2351805030).

Almost surely, 2^29545638216 is an apocalyptic number.

It is an amenable number.

29545638216 is an abundant number, since it is smaller than the sum of its proper divisors (45712122744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29545638216 is a wasteful number, since it uses less digits than its factorization.

29545638216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23227765 (or 23227761 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The spelling of 29545638216 in words is "twenty-nine billion, five hundred forty-five million, six hundred thirty-eight thousand, two hundred sixteen".