91464384001 has 4 divisors (see below), whose sum is σ = 92303506900. Its totient is φ = 90625261104.

The previous prime is 91464383999. The next prime is 91464384007. The reversal of 91464384001 is 10048346419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10048346419 = 587 ⋅17118137.

It can be written as a sum of positive squares in 2 ways, for example, as 54763020225 + 36701363776 = 234015^2 + 191576^2 .

It is a cyclic number.

It is not a de Polignac number, because 91464384001 - 2¹ = 91464383999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91464384007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 419561286 + ... + 419561503.

It is an arithmetic number, because the mean of its divisors is an integer number (23075876725).

Almost surely, 2^91464384001 is an apocalyptic number.

It is an amenable number.

91464384001 is a deficient number, since it is larger than the sum of its proper divisors (839122899).

91464384001 is a wasteful number, since it uses less digits than its factorization.

91464384001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839122898.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 91464384001 in words is "ninety-one billion, four hundred sixty-four million, three hundred eighty-four thousand, one".