37989666698999 has 2 divisors, whose sum is σ = 37989666699000. Its totient is φ = 37989666698998.

The previous prime is 37989666698947. The next prime is 37989666699011. The reversal of 37989666698999 is 99989666698973.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 37989666698999 - 2⁴⁴ = 20397480654583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37989666698939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18994833349499 + 18994833349500.

It is an arithmetic number, because the mean of its divisors is an integer number (18994833349500).

Almost surely, 2^{37989666698999} is an apocalyptic number.

37989666698999 is a deficient number, since it is larger than the sum of its proper divisors (1).

37989666698999 is an equidigital number, since it uses as much as digits as its factorization.

37989666698999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 925676688384, while the sum is 104.

The spelling of 37989666698999 in words is "thirty-seven trillion, nine hundred eighty-nine billion, six hundred sixty-six million, six hundred ninety-eight thousand, nine hundred ninety-nine".