1613879212 has 12 divisors (see below), whose sum is σ = 3081042216. Its totient is φ = 733581440.

The previous prime is 1613879147. The next prime is 1613879213. The reversal of 1613879212 is 2129783161.

It is a super-2 number, since 2×1613879212² = 5209212221851481888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1613879213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18339493 + ... + 18339580.

It is an arithmetic number, because the mean of its divisors is an integer number (256753518).

Almost surely, 2^1613879212 is an apocalyptic number.

It is an amenable number.

1613879212 is a deficient number, since it is larger than the sum of its proper divisors (1467163004).

1613879212 is a wasteful number, since it uses less digits than its factorization.

1613879212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36679088 (or 36679086 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 1613879212 is about 40173.1155376329. The cubic root of 1613879212 is about 1172.9792851448.

The spelling of 1613879212 in words is "one billion, six hundred thirteen million, eight hundred seventy-nine thousand, two hundred twelve".