38431311468439 has 2 divisors, whose sum is σ = 38431311468440. Its totient is φ = 38431311468438.

The previous prime is 38431311468383. The next prime is 38431311468479. The reversal of 38431311468439 is 93486411313483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38431311468439 - 2⁷ = 38431311468311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38431311468479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19215655734219 + 19215655734220.

It is an arithmetic number, because the mean of its divisors is an integer number (19215655734220).

Almost surely, 2^{38431311468439} is an apocalyptic number.

38431311468439 is a deficient number, since it is larger than the sum of its proper divisors (1).

38431311468439 is an equidigital number, since it uses as much as digits as its factorization.

38431311468439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17915904, while the sum is 58.

The spelling of 38431311468439 in words is "thirty-eight trillion, four hundred thirty-one billion, three hundred eleven million, four hundred sixty-eight thousand, four hundred thirty-nine".