37036670000021 has 2 divisors, whose sum is σ = 37036670000022. Its totient is φ = 37036670000020.

The previous prime is 37036669999961. The next prime is 37036670000047. The reversal of 37036670000021 is 12000007663073.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34345331319121 + 2691338680900 = 5860489^2 + 1640530^2 .

It is a cyclic number.

It is not a de Polignac number, because 37036670000021 - 2²² = 37036665805717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37036670000521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18518335000010 + 18518335000011.

It is an arithmetic number, because the mean of its divisors is an integer number (18518335000011).

Almost surely, 2^{37036670000021} is an apocalyptic number.

It is an amenable number.

37036670000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

37036670000021 is an equidigital number, since it uses as much as digits as its factorization.

37036670000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 35.

Adding to 37036670000021 its reverse (12000007663073), we get a palindrome (49036677663094).

The spelling of 37036670000021 in words is "thirty-seven trillion, thirty-six billion, six hundred seventy million, twenty-one", and thus it is an aban number.