50099129665 has 16 divisors (see below), whose sum is σ = 64755936000. Its totient is φ = 36989168832.

The previous prime is 50099129657. The next prime is 50099129671. The reversal of 50099129665 is 56692199005.

It is a cyclic number.

It is not a de Polignac number, because 50099129665 - 2³ = 50099129657 is a prime.

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, 279556 + ... + 422314.

It is an arithmetic number, because the mean of its divisors is an integer number (4047246000).

Almost surely, 2^50099129665 is an apocalyptic number.

It is an amenable number.

50099129665 is a deficient number, since it is larger than the sum of its proper divisors (14656806335).

50099129665 is a wasteful number, since it uses less digits than its factorization.

50099129665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148176.

The product of its (nonzero) digits is 1312200, while the sum is 52.

The spelling of 50099129665 in words is "fifty billion, ninety-nine million, one hundred twenty-nine thousand, six hundred sixty-five".