37121360693 has 2 divisors, whose sum is σ = 37121360694. Its totient is φ = 37121360692.

The previous prime is 37121360671. The next prime is 37121360729. The reversal of 37121360693 is 39606312173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33466311844 + 3655048849 = 182938^2 + 60457^2 .

It is a cyclic number.

It is not a de Polignac number, because 37121360693 - 2³⁴ = 19941491509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37121360693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37121360603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18560680346 + 18560680347.

It is an arithmetic number, because the mean of its divisors is an integer number (18560680347).

Almost surely, 2^37121360693 is an apocalyptic number.

It is an amenable number.

37121360693 is a deficient number, since it is larger than the sum of its proper divisors (1).

37121360693 is an equidigital number, since it uses as much as digits as its factorization.

37121360693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 37121360693 in words is "thirty-seven billion, one hundred twenty-one million, three hundred sixty thousand, six hundred ninety-three".