91004749369 has 8 divisors (see below), whose sum is σ = 96158715840. Its totient is φ = 85887207216.

The previous prime is 91004749351. The next prime is 91004749453. The reversal of 91004749369 is 96394740019.

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 91004749369 - 2¹⁵ = 91004716601 is a prime.

It is a super-2 number, since 2×91004749369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91004749349) 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, 9100942 + ... + 9110935.

It is an arithmetic number, because the mean of its divisors is an integer number (12019839480).

Almost surely, 2^91004749369 is an apocalyptic number.

It is an amenable number.

91004749369 is a deficient number, since it is larger than the sum of its proper divisors (5153966471).

91004749369 is a wasteful number, since it uses less digits than its factorization.

91004749369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18212159.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 91004749369 in words is "ninety-one billion, four million, seven hundred forty-nine thousand, three hundred sixty-nine".