37575420409 has 2 divisors, whose sum is σ = 37575420410. Its totient is φ = 37575420408.

The previous prime is 37575420397. The next prime is 37575420419. The reversal of 37575420409 is 90402457573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24358469184 + 13216951225 = 156072^2 + 114965^2 .

It is an emirp because it is prime and its reverse (90402457573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37575420409 - 2²⁹ = 37038549497 is a prime.

It is not a weakly prime, because it can be changed into another prime (37575420419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18787710204 + 18787710205.

It is an arithmetic number, because the mean of its divisors is an integer number (18787710205).

Almost surely, 2^37575420409 is an apocalyptic number.

It is an amenable number.

37575420409 is a deficient number, since it is larger than the sum of its proper divisors (1).

37575420409 is an equidigital number, since it uses as much as digits as its factorization.

37575420409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 37575420409 in words is "thirty-seven billion, five hundred seventy-five million, four hundred twenty thousand, four hundred nine".