37967315081 has 2 divisors, whose sum is σ = 37967315082. Its totient is φ = 37967315080.

The previous prime is 37967315051. The next prime is 37967315083. The reversal of 37967315081 is 18051376973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31536077056 + 6431238025 = 177584^2 + 80195^2 .

It is a cyclic number.

It is not a de Polignac number, because 37967315081 - 2¹⁰ = 37967314057 is a prime.

It is a super-2 number, since 2×37967315081² (a number of 22 digits) contains 22 as substring.

Together with 37967315083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (37967315083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18983657540 + 18983657541.

It is an arithmetic number, because the mean of its divisors is an integer number (18983657541).

Almost surely, 2^37967315081 is an apocalyptic number.

It is an amenable number.

37967315081 is a deficient number, since it is larger than the sum of its proper divisors (1).

37967315081 is an equidigital number, since it uses as much as digits as its factorization.

37967315081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 37967315081 in words is "thirty-seven billion, nine hundred sixty-seven million, three hundred fifteen thousand, eighty-one".