91748613333 has 16 divisors (see below), whose sum is σ = 132139628096. Its totient is φ = 56290101120.

The previous prime is 91748613317. The next prime is 91748613347. The reversal of 91748613333 is 33331684719.

It is not a de Polignac number, because 91748613333 - 2⁴ = 91748613317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91748613373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3540760 + ... + 3566577.

It is an arithmetic number, because the mean of its divisors is an integer number (8258726756).

Almost surely, 2^91748613333 is an apocalyptic number.

It is an amenable number.

91748613333 is a deficient number, since it is larger than the sum of its proper divisors (40391014763).

91748613333 is a wasteful number, since it uses less digits than its factorization.

91748613333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107684.

The product of its digits is 979776, while the sum is 48.

The spelling of 91748613333 in words is "ninety-one billion, seven hundred forty-eight million, six hundred thirteen thousand, three hundred thirty-three".