37916397409 has 4 divisors (see below), whose sum is σ = 41363342640. Its totient is φ = 34469452180.

The previous prime is 37916397367. The next prime is 37916397419. The reversal of 37916397409 is 90479361973.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 37916397409 - 2²⁹ = 37379526497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37916397419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1723472599 + ... + 1723472620.

It is an arithmetic number, because the mean of its divisors is an integer number (10340835660).

Almost surely, 2^37916397409 is an apocalyptic number.

It is an amenable number.

37916397409 is a deficient number, since it is larger than the sum of its proper divisors (3446945231).

37916397409 is a wasteful number, since it uses less digits than its factorization.

37916397409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446945230.

The product of its (nonzero) digits is 7715736, while the sum is 58.

The spelling of 37916397409 in words is "thirty-seven billion, nine hundred sixteen million, three hundred ninety-seven thousand, four hundred nine".