29312961384 has 64 divisors (see below), whose sum is σ = 84390704640. Its totient is φ = 8311193280.

The previous prime is 29312961383. The next prime is 29312961407. The reversal of 29312961384 is 48316921392.

It is not an unprimeable number, because it can be changed into a prime (29312961383) 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, 643954 + ... + 687969.

It is an arithmetic number, because the mean of its divisors is an integer number (1318604760).

Almost surely, 2^29312961384 is an apocalyptic number.

29312961384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

29312961384 is an abundant number, since it is smaller than the sum of its proper divisors (55077743256).

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

29312961384 is a wasteful number, since it uses less digits than its factorization.

29312961384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332070 (or 1332066 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The spelling of 29312961384 in words is "twenty-nine billion, three hundred twelve million, nine hundred sixty-one thousand, three hundred eighty-four".