38318467433 has 2 divisors, whose sum is σ = 38318467434. Its totient is φ = 38318467432.

The previous prime is 38318467399. The next prime is 38318467511. The reversal of 38318467433 is 33476481383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32085049129 + 6233418304 = 179123^2 + 78952^2 .

It is a cyclic number.

It is not a de Polignac number, because 38318467433 - 2²⁶ = 38251358569 is a prime.

It is not a weakly prime, because it can be changed into another prime (38318464433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19159233716 + 19159233717.

It is an arithmetic number, because the mean of its divisors is an integer number (19159233717).

Almost surely, 2^38318467433 is an apocalyptic number.

It is an amenable number.

38318467433 is a deficient number, since it is larger than the sum of its proper divisors (1).

38318467433 is an equidigital number, since it uses as much as digits as its factorization.

38318467433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 50.

The spelling of 38318467433 in words is "thirty-eight billion, three hundred eighteen million, four hundred sixty-seven thousand, four hundred thirty-three".