91344901485 has 16 divisors (see below), whose sum is σ = 146909110464. Its totient is φ = 48464858112.

The previous prime is 91344901457. The next prime is 91344901519. The reversal of 91344901485 is 58410944319.

It is a happy number.

It is not a de Polignac number, because 91344901485 - 2⁶ = 91344901421 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15773427 + ... + 15779216.

It is an arithmetic number, because the mean of its divisors is an integer number (9181819404).

Almost surely, 2^91344901485 is an apocalyptic number.

It is an amenable number.

91344901485 is a deficient number, since it is larger than the sum of its proper divisors (55564208979).

91344901485 is a wasteful number, since it uses less digits than its factorization.

91344901485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31552844.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 91344901485 in words is "ninety-one billion, three hundred forty-four million, nine hundred one thousand, four hundred eighty-five".