38044904389 has 2 divisors, whose sum is σ = 38044904390. Its totient is φ = 38044904388.

The previous prime is 38044904347. The next prime is 38044904393. The reversal of 38044904389 is 98340944083.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33264288225 + 4780616164 = 182385^2 + 69142^2 .

It is a cyclic number.

It is not a de Polignac number, because 38044904389 - 2³⁵ = 3685166021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38044904399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19022452194 + 19022452195.

It is an arithmetic number, because the mean of its divisors is an integer number (19022452195).

Almost surely, 2^38044904389 is an apocalyptic number.

It is an amenable number.

38044904389 is a deficient number, since it is larger than the sum of its proper divisors (1).

38044904389 is an equidigital number, since it uses as much as digits as its factorization.

38044904389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 38044904389 in words is "thirty-eight billion, forty-four million, nine hundred four thousand, three hundred eighty-nine".