38180539361 has 2 divisors, whose sum is σ = 38180539362. Its totient is φ = 38180539360.

The previous prime is 38180539339. The next prime is 38180539379. The reversal of 38180539361 is 16393508183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37657731136 + 522808225 = 194056^2 + 22865^2 .

It is a cyclic number.

It is not a de Polignac number, because 38180539361 - 2⁶ = 38180539297 is a prime.

It is not a weakly prime, because it can be changed into another prime (38180539391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19090269680 + 19090269681.

It is an arithmetic number, because the mean of its divisors is an integer number (19090269681).

Almost surely, 2^38180539361 is an apocalyptic number.

It is an amenable number.

38180539361 is a deficient number, since it is larger than the sum of its proper divisors (1).

38180539361 is an equidigital number, since it uses as much as digits as its factorization.

38180539361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 38180539361 in words is "thirty-eight billion, one hundred eighty million, five hundred thirty-nine thousand, three hundred sixty-one".