29213489931 has 16 divisors (see below), whose sum is σ = 39767454720. Its totient is φ = 19070457120.

The previous prime is 29213489917. The next prime is 29213489939. The reversal of 29213489931 is 13998431292.

It is not a de Polignac number, because 29213489931 - 2¹⁸ = 29213227787 is a prime.

It is a super-2 number, since 2×29213489931² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29213489939) 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, 317121 + ... + 398738.

It is an arithmetic number, because the mean of its divisors is an integer number (2485465920).

Almost surely, 2^29213489931 is an apocalyptic number.

29213489931 is a deficient number, since it is larger than the sum of its proper divisors (10553964789).

29213489931 is a wasteful number, since it uses less digits than its factorization.

29213489931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716146.

The product of its digits is 839808, while the sum is 51.

The spelling of 29213489931 in words is "twenty-nine billion, two hundred thirteen million, four hundred eighty-nine thousand, nine hundred thirty-one".