129513363610 has 16 divisors (see below), whose sum is σ = 237522622536. Its totient is φ = 50827885888.

The previous prime is 129513363589. The next prime is 129513363611. The reversal of 129513363610 is 16363315921.

129513363610 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 99124855281 + 30388508329 = 314841^2 + 174323^2 .

It is a super-2 number, since 2×129513363610² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (129513363611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122181889 + ... + 122182948.

Almost surely, 2^129513363610 is an apocalyptic number.

129513363610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129513363610 is a deficient number, since it is larger than the sum of its proper divisors (108009258926).

129513363610 is a wasteful number, since it uses less digits than its factorization.

129513363610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244364897.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 129513363610 in words is "one hundred twenty-nine billion, five hundred thirteen million, three hundred sixty-three thousand, six hundred ten".