1613898839 has 6 divisors (see below), whose sum is σ = 1877392584. Its totient is φ = 1383341820.

The previous prime is 1613898823. The next prime is 1613898841. The reversal of 1613898839 is 9388983161.

It is not a de Polignac number, because 1613898839 - 2⁴ = 1613898823 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 (1613898439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16468307 + ... + 16468404.

It is an arithmetic number, because the mean of its divisors is an integer number (312898764).

Almost surely, 2^1613898839 is an apocalyptic number.

1613898839 is a deficient number, since it is larger than the sum of its proper divisors (263493745).

1613898839 is an equidigital number, since it uses as much as digits as its factorization.

1613898839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32936725 (or 32936718 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 56.

The square root of 1613898839 is about 40173.3598171724. The cubic root of 1613898839 is about 1172.9840401415.

The spelling of 1613898839 in words is "one billion, six hundred thirteen million, eight hundred ninety-eight thousand, eight hundred thirty-nine".