37912135213 has 2 divisors, whose sum is σ = 37912135214. Its totient is φ = 37912135212.

The previous prime is 37912135187. The next prime is 37912135297. The reversal of 37912135213 is 31253121973.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35546577444 + 2365557769 = 188538^2 + 48637^2 .

It is a cyclic number.

It is not a de Polignac number, because 37912135213 - 2⁵ = 37912135181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37912135913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18956067606 + 18956067607.

It is an arithmetic number, because the mean of its divisors is an integer number (18956067607).

Almost surely, 2^37912135213 is an apocalyptic number.

It is an amenable number.

37912135213 is a deficient number, since it is larger than the sum of its proper divisors (1).

37912135213 is an equidigital number, since it uses as much as digits as its factorization.

37912135213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The spelling of 37912135213 in words is "thirty-seven billion, nine hundred twelve million, one hundred thirty-five thousand, two hundred thirteen".