29139519904 has 192 divisors, whose sum is σ = 67885413120. Its totient is φ = 12177285120.

The previous prime is 29139519859. The next prime is 29139519931. The reversal of 29139519904 is 40991593192.

It is a super-2 number, since 2×29139519904² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26659582 + ... + 26660674.

It is an arithmetic number, because the mean of its divisors is an integer number (353569860).

Almost surely, 2^29139519904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29139519904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33942706560).

29139519904 is an abundant number, since it is smaller than the sum of its proper divisors (38745893216).

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

29139519904 is a wasteful number, since it uses less digits than its factorization.

29139519904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 52.

The spelling of 29139519904 in words is "twenty-nine billion, one hundred thirty-nine million, five hundred nineteen thousand, nine hundred four".