37404345623313 has 4 divisors (see below), whose sum is σ = 49872460831088. Its totient is φ = 24936230415540.

The previous prime is 37404345623233. The next prime is 37404345623339. The reversal of 37404345623313 is 31332654340473.

It is a happy number.

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 de Polignac number, because none of the positive numbers 2^k-37404345623313 is a prime.

It is a super-3 number, since 3×37404345623313³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37404345622313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6234057603883 + ... + 6234057603888.

It is an arithmetic number, because the mean of its divisors is an integer number (12468115207772).

Almost surely, 2^{37404345623313} is an apocalyptic number.

It is an amenable number.

37404345623313 is a deficient number, since it is larger than the sum of its proper divisors (12468115207775).

37404345623313 is a wasteful number, since it uses less digits than its factorization.

37404345623313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12468115207774.

The product of its (nonzero) digits is 6531840, while the sum is 48.

Adding to 37404345623313 its reverse (31332654340473), we get a palindrome (68736999963786).

The spelling of 37404345623313 in words is "thirty-seven trillion, four hundred four billion, three hundred forty-five million, six hundred twenty-three thousand, three hundred thirteen".