38294890919 has 2 divisors, whose sum is σ = 38294890920. Its totient is φ = 38294890918.

The previous prime is 38294890913. The next prime is 38294890967. The reversal of 38294890919 is 91909849283.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38294890919 is a prime.

It is a super-2 number, since 2×38294890919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38294890913) 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, 19147445459 + 19147445460.

It is an arithmetic number, because the mean of its divisors is an integer number (19147445460).

Almost surely, 2^38294890919 is an apocalyptic number.

38294890919 is a deficient number, since it is larger than the sum of its proper divisors (1).

38294890919 is an equidigital number, since it uses as much as digits as its factorization.

38294890919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10077696, while the sum is 62.

The spelling of 38294890919 in words is "thirty-eight billion, two hundred ninety-four million, eight hundred ninety thousand, nine hundred nineteen".