38765137650 has 24 divisors (see below), whose sum is σ = 96137541744. Its totient is φ = 10337370000.

The previous prime is 38765137643. The next prime is 38765137669. The reversal of 38765137650 is 5673156783.

It is a junction number, because it is equal to n+sod(n) for n = 38765137593 and 38765137602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129216976 + ... + 129217275.

It is an arithmetic number, because the mean of its divisors is an integer number (4005730906).

Almost surely, 2^38765137650 is an apocalyptic number.

38765137650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38765137650 is an abundant number, since it is smaller than the sum of its proper divisors (57372404094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38765137650 is a wasteful number, since it uses less digits than its factorization.

38765137650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258434266 (or 258434261 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 38765137650 in words is "thirty-eight billion, seven hundred sixty-five million, one hundred thirty-seven thousand, six hundred fifty".