29439493492 has 12 divisors (see below), whose sum is σ = 53295634980. Its totient is φ = 14212169216.

The previous prime is 29439493481. The next prime is 29439493493.

29439493492 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 25073455716 + 4366037776 = 158346^2 + 66076^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29439493493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126894253 + ... + 126894484.

It is an arithmetic number, because the mean of its divisors is an integer number (4441302915).

Almost surely, 2^29439493492 is an apocalyptic number.

It is an amenable number.

29439493492 is a deficient number, since it is larger than the sum of its proper divisors (23856141488).

29439493492 is a wasteful number, since it uses less digits than its factorization.

29439493492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253788770 (or 253788768 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 58.

The spelling of 29439493492 in words is "twenty-nine billion, four hundred thirty-nine million, four hundred ninety-three thousand, four hundred ninety-two".