129698994632 has 16 divisors (see below), whose sum is σ = 243189596700. Its totient is φ = 64848435520.

The previous prime is 129698994553. The next prime is 129698994641. The reversal of 129698994632 is 236499896921.

It can be written as a sum of positive squares in 2 ways, for example, as 113492176996 + 16206817636 = 336886^2 + 127306^2 .

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, 676994 + ... + 847182.

Almost surely, 2^129698994632 is an apocalyptic number.

It is an amenable number.

129698994632 is a deficient number, since it is larger than the sum of its proper divisors (113490602068).

129698994632 is a wasteful number, since it uses less digits than its factorization.

129698994632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265456 (or 265452 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 68.

The spelling of 129698994632 in words is "one hundred twenty-nine billion, six hundred ninety-eight million, nine hundred ninety-four thousand, six hundred thirty-two".