4309051992 has 32 divisors (see below), whose sum is σ = 12311577600. Its totient is φ = 1231157664.

The previous prime is 4309051963. The next prime is 4309051993. The reversal of 4309051992 is 2991509034.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4309051993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12824392 + ... + 12824727.

It is an arithmetic number, because the mean of its divisors is an integer number (384736800).

Almost surely, 2^4309051992 is an apocalyptic number.

4309051992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4309051992 is an abundant number, since it is smaller than the sum of its proper divisors (8002525608).

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

4309051992 is a wasteful number, since it uses less digits than its factorization.

4309051992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25649135 (or 25649131 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 4309051992 is about 65643.3697489701. The cubic root of 4309051992 is about 1627.2735974974.

The spelling of 4309051992 in words is "four billion, three hundred nine million, fifty-one thousand, nine hundred ninety-two".