4091137444 has 9 divisors (see below), whose sum is σ = 7159714401. Its totient is φ = 2045504760.

The previous prime is 4091137409. The next prime is 4091137483. The reversal of 4091137444 is 4447311904.

The square root of 4091137444 is 63962.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 242175844 + 3848961600 = 15562^2 + 62040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 111934 + ... + 143914.

Almost surely, 2^4091137444 is an apocalyptic number.

4091137444 is the 63962-nd square number.

It is an amenable number.

4091137444 is a deficient number, since it is larger than the sum of its proper divisors (3068576957).

4091137444 is an frugal number, since it uses more digits than its factorization.

4091137444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63966 (or 31983 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The cubic root of 4091137444 is about 1599.3666039765.

The spelling of 4091137444 in words is "four billion, ninety-one million, one hundred thirty-seven thousand, four hundred forty-four".