91483261444 has 27 divisors (see below), whose sum is σ = 163952065557. Its totient is φ = 44665168464.

The previous prime is 91483261439. The next prime is 91483261477. The reversal of 91483261444 is 44416238419.

The square root of 91483261444 is 302462.

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., 87775912900 + 3707348544 = 296270^2 + 60888^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91483261394 and 91483261403.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26009974 + ... + 26013490.

Almost surely, 2^91483261444 is an apocalyptic number.

91483261444 is the 302462-nd square number.

It is an amenable number.

91483261444 is a deficient number, since it is larger than the sum of its proper divisors (72468804113).

91483261444 is an frugal number, since it uses more digits than its factorization.

91483261444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124 (or 3562 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The spelling of 91483261444 in words is "ninety-one billion, four hundred eighty-three million, two hundred sixty-one thousand, four hundred forty-four".