91742389036 has 24 divisors (see below), whose sum is σ = 164914173536. Its totient is φ = 44624442240.

The previous prime is 91742389031. The next prime is 91742389043. The reversal of 91742389036 is 63098324719.

It is not an unprimeable number, because it can be changed into a prime (91742389031) 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, 971800 + ... + 1062016.

Almost surely, 2^91742389036 is an apocalyptic number.

It is an amenable number.

91742389036 is a deficient number, since it is larger than the sum of its proper divisors (73171784500).

91742389036 is a wasteful number, since it uses less digits than its factorization.

91742389036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97129 (or 97127 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 91742389036 in words is "ninety-one billion, seven hundred forty-two million, three hundred eighty-nine thousand, thirty-six".