2891739492 has 36 divisors (see below), whose sum is σ = 7627488960. Its totient is φ = 922003632.

The previous prime is 2891739449. The next prime is 2891739527. The reversal of 2891739492 is 2949371982.

2891739492 is a `hidden beast` number, since 2 + 89 + 1 + 73 + 9 + 492 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 1745392 + ... + 1747047.

Almost surely, 2^2891739492 is an apocalyptic number.

It is an amenable number.

2891739492 is an abundant number, since it is smaller than the sum of its proper divisors (4735749468).

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

2891739492 is a wasteful number, since it uses less digits than its factorization.

2891739492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492472 (or 3492467 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 2891739492 is about 53774.8964852560. The cubic root of 2891739492 is about 1424.6878548062.

The spelling of 2891739492 in words is "two billion, eight hundred ninety-one million, seven hundred thirty-nine thousand, four hundred ninety-two".