3081449664 has 42 divisors (see below), whose sum is σ = 8832420740. Its totient is φ = 1027149696.

The previous prime is 3081449663. The next prime is 3081449671. The reversal of 3081449664 is 4669441803.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3081449663) 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, 2674294 + ... + 2675445.

Almost surely, 2^3081449664 is an apocalyptic number.

It is an amenable number.

3081449664 is an abundant number, since it is smaller than the sum of its proper divisors (5750971076).

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

3081449664 is a wasteful number, since it uses less digits than its factorization.

3081449664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349757 (or 5349744 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 3081449664 is about 55510.8067316626. The cubic root of 3081449664 is about 1455.1855022637.

The spelling of 3081449664 in words is "three billion, eighty-one million, four hundred forty-nine thousand, six hundred sixty-four".