38461617650731 has 4 divisors (see below), whose sum is σ = 41958128346264. Its totient is φ = 34965106955200.

The previous prime is 38461617650681. The next prime is 38461617650761. The reversal of 38461617650731 is 13705671616483.

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 38461617650731 - 2²¹ = 38461615553579 is a prime.

It is a super-2 number, since 2×38461617650731² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38461617650761) 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, 1748255347750 + ... + 1748255347771.

It is an arithmetic number, because the mean of its divisors is an integer number (10489532086566).

Almost surely, 2^{38461617650731} is an apocalyptic number.

38461617650731 is a deficient number, since it is larger than the sum of its proper divisors (3496510695533).

38461617650731 is a wasteful number, since it uses less digits than its factorization.

38461617650731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496510695532.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 38461617650731 in words is "thirty-eight trillion, four hundred sixty-one billion, six hundred seventeen million, six hundred fifty thousand, seven hundred thirty-one".