4491863292 has 48 divisors (see below), whose sum is σ = 12499103232. Its totient is φ = 1227589440.

The previous prime is 4491863221. The next prime is 4491863303. The reversal of 4491863292 is 2923681944.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1160559 + ... + 1164422.

It is an arithmetic number, because the mean of its divisors is an integer number (260397984).

Almost surely, 2^4491863292 is an apocalyptic number.

4491863292 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4491863292 is an abundant number, since it is smaller than the sum of its proper divisors (8007239940).

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

4491863292 is a wasteful number, since it uses less digits than its factorization.

4491863292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325018 (or 2325016 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 4491863292 is about 67021.3644444814. The cubic root of 4491863292 is about 1649.9679567698.

The spelling of 4491863292 in words is "four billion, four hundred ninety-one million, eight hundred sixty-three thousand, two hundred ninety-two".