1612989475 has 12 divisors (see below), whose sum is σ = 2042663904. Its totient is φ = 1262935520.

The previous prime is 1612989467. The next prime is 1612989481. The reversal of 1612989475 is 5749892161.

It is not a de Polignac number, because 1612989475 - 2³ = 1612989467 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 685204 + ... + 687553.

It is an arithmetic number, because the mean of its divisors is an integer number (170221992).

Almost surely, 2^1612989475 is an apocalyptic number.

1612989475 is a deficient number, since it is larger than the sum of its proper divisors (429674429).

1612989475 is a wasteful number, since it uses less digits than its factorization.

1612989475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372814 (or 1372809 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 1612989475 is about 40162.0402245703. The cubic root of 1612989475 is about 1172.7636897212.

The spelling of 1612989475 in words is "one billion, six hundred twelve million, nine hundred eighty-nine thousand, four hundred seventy-five".