973913130913 has 4 divisors (see below), whose sum is σ = 976703713300. Its totient is φ = 971122548528.

The previous prime is 973913130899. The next prime is 973913130937. The reversal of 973913130913 is 319031319379.

It is a happy number.

973913130913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 320818022464 + 653095108449 = 566408^2 + 808143^2 .

It is a cyclic number.

It is not a de Polignac number, because 973913130913 - 2²¹ = 973911033761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (973913130943) 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, 1395290670 + ... + 1395291367.

It is an arithmetic number, because the mean of its divisors is an integer number (244175928325).

Almost surely, 2^973913130913 is an apocalyptic number.

It is an amenable number.

973913130913 is a deficient number, since it is larger than the sum of its proper divisors (2790582387).

973913130913 is a wasteful number, since it uses less digits than its factorization.

973913130913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790582386.

The product of its (nonzero) digits is 413343, while the sum is 49.

The spelling of 973913130913 in words is "nine hundred seventy-three billion, nine hundred thirteen million, one hundred thirty thousand, nine hundred thirteen".