38930017231663 has 16 divisors (see below), whose sum is σ = 40210603324416. Its totient is φ = 37650984246720.

The previous prime is 38930017231627. The next prime is 38930017231673. The reversal of 38930017231663 is 36613271003983.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38930017231663 is a prime.

It is a super-2 number, since 2×38930017231663² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38930017231663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38930017231673) 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, 635219220 + ... + 635280502.

It is an arithmetic number, because the mean of its divisors is an integer number (2513162707776).

Almost surely, 2^{38930017231663} is an apocalyptic number.

38930017231663 is a deficient number, since it is larger than the sum of its proper divisors (1280586092753).

38930017231663 is a wasteful number, since it uses less digits than its factorization.

38930017231663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73614.

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 38930017231663 in words is "thirty-eight trillion, nine hundred thirty billion, seventeen million, two hundred thirty-one thousand, six hundred sixty-three".