38513684015 has 4 divisors (see below), whose sum is σ = 46216420824. Its totient is φ = 30810947208.

The previous prime is 38513684003. The next prime is 38513684017. The reversal of 38513684015 is 51048631583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38513684015 - 2¹⁴ = 38513667631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38513684017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3851368397 + ... + 3851368406.

It is an arithmetic number, because the mean of its divisors is an integer number (11554105206).

Almost surely, 2^38513684015 is an apocalyptic number.

38513684015 is a deficient number, since it is larger than the sum of its proper divisors (7702736809).

38513684015 is an equidigital number, since it uses as much as digits as its factorization.

38513684015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7702736808.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 38513684015 in words is "thirty-eight billion, five hundred thirteen million, six hundred eighty-four thousand, fifteen".