38638405736963 has 2 divisors, whose sum is σ = 38638405736964. Its totient is φ = 38638405736962.

The previous prime is 38638405736809. The next prime is 38638405736969. The reversal of 38638405736963 is 36963750483683.

It is a strong prime.

It is an emirp because it is prime and its reverse (36963750483683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38638405736963 - 2¹⁰ = 38638405735939 is a prime.

It is a super-2 number, since 2×38638405736963² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38638405736969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19319202868481 + 19319202868482.

It is an arithmetic number, because the mean of its divisors is an integer number (19319202868482).

Almost surely, 2^{38638405736963} is an apocalyptic number.

38638405736963 is a deficient number, since it is larger than the sum of its proper divisors (1).

38638405736963 is an equidigital number, since it uses as much as digits as its factorization.

38638405736963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1410877440, while the sum is 71.

The spelling of 38638405736963 in words is "thirty-eight trillion, six hundred thirty-eight billion, four hundred five million, seven hundred thirty-six thousand, nine hundred sixty-three".