1613925393 has 8 divisors (see below), whose sum is σ = 2152541088. Its totient is φ = 1075629984.

The previous prime is 1613925367. The next prime is 1613925431. The reversal of 1613925393 is 3935293161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1613925393 - 2⁶ = 1613925329 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1613925323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68055 + ... + 88652.

It is an arithmetic number, because the mean of its divisors is an integer number (269067636).

Almost surely, 2^1613925393 is an apocalyptic number.

It is an amenable number.

1613925393 is a deficient number, since it is larger than the sum of its proper divisors (538615695).

1613925393 is a wasteful number, since it uses less digits than its factorization.

1613925393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160143.

The product of its digits is 131220, while the sum is 42.

The square root of 1613925393 is about 40173.6903084593. The cubic root of 1613925393 is about 1172.9904732683.

The spelling of 1613925393 in words is "one billion, six hundred thirteen million, nine hundred twenty-five thousand, three hundred ninety-three".