91300340641 has 8 divisors (see below), whose sum is σ = 96784294824. Its totient is φ = 85828980480.

The previous prime is 91300340609. The next prime is 91300340683. The reversal of 91300340641 is 14604300319.

It can be written as a sum of positive squares in 4 ways, for example, as 174240000 + 91126100641 = 13200^2 + 301871^2 .

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 91300340641 - 2⁵ = 91300340609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91300340741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3133570 + ... + 3162571.

It is an arithmetic number, because the mean of its divisors is an integer number (12098036853).

Almost surely, 2^91300340641 is an apocalyptic number.

It is an amenable number.

91300340641 is a deficient number, since it is larger than the sum of its proper divisors (5483954183).

91300340641 is a wasteful number, since it uses less digits than its factorization.

91300340641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6297011.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 91300340641 in words is "ninety-one billion, three hundred million, three hundred forty thousand, six hundred forty-one".