38993254684919 has 2 divisors, whose sum is σ = 38993254684920. Its totient is φ = 38993254684918.

The previous prime is 38993254684801. The next prime is 38993254684987. The reversal of 38993254684919 is 91948645239983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38993254684919 - 2⁸ = 38993254684663 is a prime.

It is a super-2 number, since 2×38993254684919² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38993254684519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19496627342459 + 19496627342460.

It is an arithmetic number, because the mean of its divisors is an integer number (19496627342460).

Almost surely, 2^{38993254684919} is an apocalyptic number.

38993254684919 is a deficient number, since it is larger than the sum of its proper divisors (1).

38993254684919 is an equidigital number, since it uses as much as digits as its factorization.

38993254684919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3627970560, while the sum is 80.

The spelling of 38993254684919 in words is "thirty-eight trillion, nine hundred ninety-three billion, two hundred fifty-four million, six hundred eighty-four thousand, nine hundred nineteen".