37130421173 has 2 divisors, whose sum is σ = 37130421174. Its totient is φ = 37130421172.

The previous prime is 37130421161. The next prime is 37130421199. The reversal of 37130421173 is 37112403173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36928155889 + 202265284 = 192167^2 + 14222^2 .

It is a cyclic number.

It is not a de Polignac number, because 37130421173 - 2⁶ = 37130421109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37130421103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18565210586 + 18565210587.

It is an arithmetic number, because the mean of its divisors is an integer number (18565210587).

Almost surely, 2^37130421173 is an apocalyptic number.

It is an amenable number.

37130421173 is a deficient number, since it is larger than the sum of its proper divisors (1).

37130421173 is an equidigital number, since it uses as much as digits as its factorization.

37130421173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The spelling of 37130421173 in words is "thirty-seven billion, one hundred thirty million, four hundred twenty-one thousand, one hundred seventy-three".