38750647643 has 2 divisors, whose sum is σ = 38750647644. Its totient is φ = 38750647642.

The previous prime is 38750647619. The next prime is 38750647657. The reversal of 38750647643 is 34674605783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38750647643 - 2⁸ = 38750647387 is a prime.

It is a super-2 number, since 2×38750647643² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38750647693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19375323821 + 19375323822.

It is an arithmetic number, because the mean of its divisors is an integer number (19375323822).

Almost surely, 2^38750647643 is an apocalyptic number.

38750647643 is a deficient number, since it is larger than the sum of its proper divisors (1).

38750647643 is an equidigital number, since it uses as much as digits as its factorization.

38750647643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 38750647643 in words is "thirty-eight billion, seven hundred fifty million, six hundred forty-seven thousand, six hundred forty-three".