4101491992 has 16 divisors (see below), whose sum is σ = 8281859040. Its totient is φ = 1892996256.

The previous prime is 4101491959. The next prime is 4101491993. The reversal of 4101491992 is 2991941014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4101491993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19718608 + ... + 19718815.

It is an arithmetic number, because the mean of its divisors is an integer number (517616190).

Almost surely, 2^4101491992 is an apocalyptic number.

It is an amenable number.

4101491992 is an abundant number, since it is smaller than the sum of its proper divisors (4180367048).

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

4101491992 is a wasteful number, since it uses less digits than its factorization.

4101491992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39437442 (or 39437438 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 4101491992 is about 64042.8918147830. The cubic root of 4101491992 is about 1600.7147837551.

The spelling of 4101491992 in words is "four billion, one hundred one million, four hundred ninety-one thousand, nine hundred ninety-two".