91480380961 has 8 divisors (see below), whose sum is σ = 95492390400. Its totient is φ = 87534685920.

The previous prime is 91480380931. The next prime is 91480380983. The reversal of 91480380961 is 16908308419.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91480380961 - 2⁷ = 91480380833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91480380911) 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, 16575781 + ... + 16581298.

It is an arithmetic number, because the mean of its divisors is an integer number (11936548800).

Almost surely, 2^91480380961 is an apocalyptic number.

It is an amenable number.

91480380961 is a deficient number, since it is larger than the sum of its proper divisors (4012009439).

91480380961 is a wasteful number, since it uses less digits than its factorization.

91480380961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33157199.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 91480380961 in words is "ninety-one billion, four hundred eighty million, three hundred eighty thousand, nine hundred sixty-one".