1373002913 has 4 divisors (see below), whose sum is σ = 1385599380. Its totient is φ = 1360406448.

The previous prime is 1373002889. The next prime is 1373002931. The reversal of 1373002913 is 3192003731.

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 1147312384 + 225690529 = 33872^2 + 15023^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373002913 - 2²⁴ = 1356225697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373002613) 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, 6298070 + ... + 6298287.

It is an arithmetic number, because the mean of its divisors is an integer number (346399845).

Almost surely, 2^1373002913 is an apocalyptic number.

It is an amenable number.

1373002913 is a deficient number, since it is larger than the sum of its proper divisors (12596467).

1373002913 is a wasteful number, since it uses less digits than its factorization.

1373002913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12596466.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 1373002913 is about 37054.0539347586. The cubic root of 1373002913 is about 1111.4514230091.

The spelling of 1373002913 in words is "one billion, three hundred seventy-three million, two thousand, nine hundred thirteen".