3291749020 has 24 divisors (see below), whose sum is σ = 7900197984. Its totient is φ = 1128599616.

The previous prime is 3291749009. The next prime is 3291749047. The reversal of 3291749020 is 209471923.

It is a super-2 number, since 2×3291749020² = 21671223221341920800, 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 in 7 ways as a sum of consecutive naturals, for example, 11756107 + ... + 11756386.

It is an arithmetic number, because the mean of its divisors is an integer number (329174916).

Almost surely, 2^3291749020 is an apocalyptic number.

It is an amenable number.

3291749020 is an abundant number, since it is smaller than the sum of its proper divisors (4608448964).

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

3291749020 is a wasteful number, since it uses less digits than its factorization.

3291749020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23512509 (or 23512507 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 3291749020 is about 57373.7659562278. The cubic root of 3291749020 is about 1487.5636987057.

The spelling of 3291749020 in words is "three billion, two hundred ninety-one million, seven hundred forty-nine thousand, twenty".