373713618081 has 4 divisors (see below), whose sum is σ = 498284824112. Its totient is φ = 249142412052.

The previous prime is 373713618077. The next prime is 373713618097. The reversal of 373713618081 is 180816317373.

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 not a de Polignac number, because 373713618081 - 2² = 373713618077 is a prime.

It is a super-2 number, since 2×373713618081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 373713618081.

It is not an unprimeable number, because it can be changed into a prime (373713618041) 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, 62285603011 + ... + 62285603016.

It is an arithmetic number, because the mean of its divisors is an integer number (124571206028).

Almost surely, 2^373713618081 is an apocalyptic number.

It is an amenable number.

373713618081 is a deficient number, since it is larger than the sum of its proper divisors (124571206031).

373713618081 is a wasteful number, since it uses less digits than its factorization.

373713618081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124571206030.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 373713618081 in words is "three hundred seventy-three billion, seven hundred thirteen million, six hundred eighteen thousand, eighty-one".