38401375664747 has 16 divisors (see below), whose sum is σ = 38826303709440. Its totient is φ = 37977462284832.

The previous prime is 38401375664699. The next prime is 38401375664801. The reversal of 38401375664747 is 74746657310483.

It is a cyclic number.

It is not a de Polignac number, because 38401375664747 - 2⁶ = 38401375664683 is a prime.

It is a super-2 number, since 2×38401375664747² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (65) 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 (38401375669747) 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, 720895808 + ... + 720949074.

It is an arithmetic number, because the mean of its divisors is an integer number (2426643981840).

Almost surely, 2^{38401375664747} is an apocalyptic number.

38401375664747 is a deficient number, since it is larger than the sum of its proper divisors (424928044693).

38401375664747 is a wasteful number, since it uses less digits than its factorization.

38401375664747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62642.

The product of its (nonzero) digits is 284497920, while the sum is 65.

The spelling of 38401375664747 in words is "thirty-eight trillion, four hundred one billion, three hundred seventy-five million, six hundred sixty-four thousand, seven hundred forty-seven".