1613643364 has 12 divisors (see below), whose sum is σ = 2835997164. Its totient is φ = 803358464.

The previous prime is 1613643323. The next prime is 1613643373. The reversal of 1613643364 is 4633463161.

It can be written as a sum of positive squares in 2 ways, for example, as 429732900 + 1183910464 = 20730^2 + 34408^2 .

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864757 + ... + 866620.

It is an arithmetic number, because the mean of its divisors is an integer number (236333097).

Almost surely, 2^1613643364 is an apocalyptic number.

It is an amenable number.

1613643364 is a deficient number, since it is larger than the sum of its proper divisors (1222353800).

1613643364 is a wasteful number, since it uses less digits than its factorization.

1613643364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731614 (or 1731612 counting only the distinct ones).

The product of its digits is 93312, while the sum is 37.

The square root of 1613643364 is about 40170.1800344484. The cubic root of 1613643364 is about 1172.9221436740.

The spelling of 1613643364 in words is "one billion, six hundred thirteen million, six hundred forty-three thousand, three hundred sixty-four".