1612989476 has 48 divisors (see below), whose sum is σ = 3288370176. Its totient is φ = 678042144.

The previous prime is 1612989467. The next prime is 1612989481. The reversal of 1612989476 is 6749892161.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305975 + ... + 311201.

It is an arithmetic number, because the mean of its divisors is an integer number (68507712).

Almost surely, 2^1612989476 is an apocalyptic number.

It is an amenable number.

1612989476 is an abundant number, since it is smaller than the sum of its proper divisors (1675380700).

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

1612989476 is a wasteful number, since it uses less digits than its factorization.

1612989476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448 (or 5446 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The square root of 1612989476 is about 40162.0402370198. The cubic root of 1612989476 is about 1172.7636899636.

The spelling of 1612989476 in words is "one billion, six hundred twelve million, nine hundred eighty-nine thousand, four hundred seventy-six".