38720092261 has 2 divisors, whose sum is σ = 38720092262. Its totient is φ = 38720092260.

The previous prime is 38720092219. The next prime is 38720092319. The reversal of 38720092261 is 16229002783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37246684036 + 1473408225 = 192994^2 + 38385^2 .

It is a cyclic number.

It is not a de Polignac number, because 38720092261 - 2¹⁹ = 38719567973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38720092561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19360046130 + 19360046131.

It is an arithmetic number, because the mean of its divisors is an integer number (19360046131).

Almost surely, 2^38720092261 is an apocalyptic number.

It is an amenable number.

38720092261 is a deficient number, since it is larger than the sum of its proper divisors (1).

38720092261 is an equidigital number, since it uses as much as digits as its factorization.

38720092261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 38720092261 in words is "thirty-eight billion, seven hundred twenty million, ninety-two thousand, two hundred sixty-one".