37691368912997 has 2 divisors, whose sum is σ = 37691368912998. Its totient is φ = 37691368912996.

The previous prime is 37691368912987. The next prime is 37691368913021. The reversal of 37691368912997 is 79921986319673.

37691368912997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33094144068001 + 4597224844996 = 5752751^2 + 2144114^2 .

It is a cyclic number.

It is not a de Polignac number, because 37691368912997 - 2⁶ = 37691368912933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37691368912937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18845684456498 + 18845684456499.

It is an arithmetic number, because the mean of its divisors is an integer number (18845684456499).

Almost surely, 2^{37691368912997} is an apocalyptic number.

It is an amenable number.

37691368912997 is a deficient number, since it is larger than the sum of its proper divisors (1).

37691368912997 is an equidigital number, since it uses as much as digits as its factorization.

37691368912997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1666598976, while the sum is 80.

The spelling of 37691368912997 in words is "thirty-seven trillion, six hundred ninety-one billion, three hundred sixty-eight million, nine hundred twelve thousand, nine hundred ninety-seven".