38012232761891 has 2 divisors, whose sum is σ = 38012232761892. Its totient is φ = 38012232761890.

The previous prime is 38012232761771. The next prime is 38012232761941. The reversal of 38012232761891 is 19816723221083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38012232761891 - 2²² = 38012228567587 is a prime.

It is not a weakly prime, because it can be changed into another prime (38012232761291) 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, 19006116380945 + 19006116380946.

It is an arithmetic number, because the mean of its divisors is an integer number (19006116380946).

Almost surely, 2^{38012232761891} is an apocalyptic number.

38012232761891 is a deficient number, since it is larger than the sum of its proper divisors (1).

38012232761891 is an equidigital number, since it uses as much as digits as its factorization.

38012232761891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 38012232761891 in words is "thirty-eight trillion, twelve billion, two hundred thirty-two million, seven hundred sixty-one thousand, eight hundred ninety-one".