29649138752 has 28 divisors (see below), whose sum is σ = 59079169116. Its totient is φ = 14763048960.

The previous prime is 29649138749. The next prime is 29649138769. The reversal of 29649138752 is 25783194692.

It can be written as a sum of positive squares in 2 ways, for example, as 19305435136 + 10343703616 = 138944^2 + 101704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945713 + ... + 976560.

Almost surely, 2^29649138752 is an apocalyptic number.

It is an amenable number.

29649138752 is a deficient number, since it is larger than the sum of its proper divisors (29430030364).

29649138752 is a wasteful number, since it uses less digits than its factorization.

29649138752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922526 (or 1922516 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 56.

The spelling of 29649138752 in words is "twenty-nine billion, six hundred forty-nine million, one hundred thirty-eight thousand, seven hundred fifty-two".