29488531938 has 16 divisors (see below), whose sum is σ = 59189980800. Its totient is φ = 9794024496.

The previous prime is 29488531927. The next prime is 29488531979. The reversal of 29488531938 is 83913588492.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8869738 + ... + 8873061.

It is an arithmetic number, because the mean of its divisors is an integer number (3699373800).

Almost surely, 2^29488531938 is an apocalyptic number.

29488531938 is an abundant number, since it is smaller than the sum of its proper divisors (29701448862).

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

29488531938 is a wasteful number, since it uses less digits than its factorization.

29488531938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17743081.

The product of its digits is 14929920, while the sum is 60.

The spelling of 29488531938 in words is "twenty-nine billion, four hundred eighty-eight million, five hundred thirty-one thousand, nine hundred thirty-eight".