38400073963 has 2 divisors, whose sum is σ = 38400073964. Its totient is φ = 38400073962.

The previous prime is 38400073961. The next prime is 38400073993. The reversal of 38400073963 is 36937000483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38400073963 - 2¹ = 38400073961 is a prime.

Together with 38400073961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38400073961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19200036981 + 19200036982.

It is an arithmetic number, because the mean of its divisors is an integer number (19200036982).

Almost surely, 2^38400073963 is an apocalyptic number.

38400073963 is a deficient number, since it is larger than the sum of its proper divisors (1).

38400073963 is an equidigital number, since it uses as much as digits as its factorization.

38400073963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 38400073963 in words is "thirty-eight billion, four hundred million, seventy-three thousand, nine hundred sixty-three".