1613425926 has 32 divisors (see below), whose sum is σ = 3881928960. Its totient is φ = 436716576.

The previous prime is 1613425921. The next prime is 1613425937. The reversal of 1613425926 is 6295243161.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613425921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010121 + ... + 1011716.

It is an arithmetic number, because the mean of its divisors is an integer number (121310280).

Almost surely, 2^1613425926 is an apocalyptic number.

1613425926 is an abundant number, since it is smaller than the sum of its proper divisors (2268503034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1613425926 is a wasteful number, since it uses less digits than its factorization.

1613425926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021868.

The product of its digits is 77760, while the sum is 39.

The square root of 1613425926 is about 40167.4734829065. The cubic root of 1613425926 is about 1172.8694576619.

The spelling of 1613425926 in words is "one billion, six hundred thirteen million, four hundred twenty-five thousand, nine hundred twenty-six".