4491386992 has 10 divisors (see below), whose sum is σ = 8702062328. Its totient is φ = 2245693488.

The previous prime is 4491386959. The next prime is 4491387001. The reversal of 4491386992 is 2996831944.

It is a super-2 number, since 2×4491386992² = 40345114223813616128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140355828 + ... + 140355859.

Almost surely, 2^4491386992 is an apocalyptic number.

It is an amenable number.

4491386992 is a deficient number, since it is larger than the sum of its proper divisors (4210675336).

4491386992 is a wasteful number, since it uses less digits than its factorization.

4491386992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280711695 (or 280711689 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 55.

The square root of 4491386992 is about 67017.8110057319. The cubic root of 4491386992 is about 1649.9096359450.

The spelling of 4491386992 in words is "four billion, four hundred ninety-one million, three hundred eighty-six thousand, nine hundred ninety-two".