15696145373 has 4 divisors (see below), whose sum is σ = 16619448060. Its totient is φ = 14772842688.

The previous prime is 15696145337. The next prime is 15696145379. The reversal of 15696145373 is 37354169651.

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 13336323289 + 2359822084 = 115483^2 + 48578^2 .

It is a cyclic number.

It is not a de Polignac number, because 15696145373 - 2¹⁴ = 15696128989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15696145379) 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, 461651318 + ... + 461651351.

It is an arithmetic number, because the mean of its divisors is an integer number (4154862015).

Almost surely, 2^15696145373 is an apocalyptic number.

It is an amenable number.

15696145373 is a deficient number, since it is larger than the sum of its proper divisors (923302687).

15696145373 is an equidigital number, since it uses as much as digits as its factorization.

15696145373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923302686.

The product of its digits is 2041200, while the sum is 50.

The spelling of 15696145373 in words is "fifteen billion, six hundred ninety-six million, one hundred forty-five thousand, three hundred seventy-three".