91093200448 has 14 divisors (see below), whose sum is σ = 180763069766. Its totient is φ = 45546600192.

The previous prime is 91093200409. The next prime is 91093200479. The reversal of 91093200448 is 84400239019.

It can be written as a sum of positive squares in only one way, i.e., 88285048384 + 2808152064 = 297128^2 + 52992^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 91093200448.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711665565 + ... + 711665692.

Almost surely, 2^91093200448 is an apocalyptic number.

It is an amenable number.

91093200448 is a deficient number, since it is larger than the sum of its proper divisors (89669869318).

91093200448 is a wasteful number, since it uses less digits than its factorization.

91093200448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423331269 (or 1423331259 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 91093200448 in words is "ninety-one billion, ninety-three million, two hundred thousand, four hundred forty-eight".