38209313660 has 48 divisors (see below), whose sum is σ = 94864512960. Its totient is φ = 12648599040.

The previous prime is 38209313657. The next prime is 38209313663. The reversal of 38209313660 is 6631390283.

It is an interprime number because it is at equal distance from previous prime (38209313657) and next prime (38209313663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38209313663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4701521 + ... + 4709640.

It is an arithmetic number, because the mean of its divisors is an integer number (1976344020).

Almost surely, 2^38209313660 is an apocalyptic number.

It is an amenable number.

38209313660 is an abundant number, since it is smaller than the sum of its proper divisors (56655199300).

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

38209313660 is a wasteful number, since it uses less digits than its factorization.

38209313660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411206 (or 9411204 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 38209313660 in words is "thirty-eight billion, two hundred nine million, three hundred thirteen thousand, six hundred sixty".