129404950510 has 32 divisors (see below), whose sum is σ = 254145600000. Its totient is φ = 47048691360.

The previous prime is 129404950501. The next prime is 129404950547. The reversal of 129404950510 is 15059404921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606991 + ... + 791989.

It is an arithmetic number, because the mean of its divisors is an integer number (7942050000).

Almost surely, 2^129404950510 is an apocalyptic number.

129404950510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129404950510 is a deficient number, since it is larger than the sum of its proper divisors (124740649490).

129404950510 is a wasteful number, since it uses less digits than its factorization.

129404950510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191376.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 129404950510 in words is "one hundred twenty-nine billion, four hundred four million, nine hundred fifty thousand, five hundred ten".