37340366993 has 2 divisors, whose sum is σ = 37340366994. Its totient is φ = 37340366992.

The previous prime is 37340366983. The next prime is 37340367011. The reversal of 37340366993 is 39966304373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28199477329 + 9140889664 = 167927^2 + 95608^2 .

It is a cyclic number.

It is not a de Polignac number, because 37340366993 - 2²⁰ = 37339318417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (37340366933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18670183496 + 18670183497.

It is an arithmetic number, because the mean of its divisors is an integer number (18670183497).

Almost surely, 2^37340366993 is an apocalyptic number.

It is an amenable number.

37340366993 is a deficient number, since it is larger than the sum of its proper divisors (1).

37340366993 is an equidigital number, since it uses as much as digits as its factorization.

37340366993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6613488, while the sum is 53.

The spelling of 37340366993 in words is "thirty-seven billion, three hundred forty million, three hundred sixty-six thousand, nine hundred ninety-three".