38497563998 has 16 divisors (see below), whose sum is σ = 59465670000. Its totient is φ = 18681376896.

The previous prime is 38497563997. The next prime is 38497564051. The reversal of 38497563998 is 89936579483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38497563997) 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 in 7 ways as a sum of consecutive naturals, for example, 1412123 + ... + 1439126.

It is an arithmetic number, because the mean of its divisors is an integer number (3716604375).

Almost surely, 2^38497563998 is an apocalyptic number.

38497563998 is a deficient number, since it is larger than the sum of its proper divisors (20968106002).

38497563998 is a wasteful number, since it uses less digits than its factorization.

38497563998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851451.

The product of its digits is 352719360, while the sum is 71.

The spelling of 38497563998 in words is "thirty-eight billion, four hundred ninety-seven million, five hundred sixty-three thousand, nine hundred ninety-eight".