91845046789 has 8 divisors (see below), whose sum is σ = 96752209280. Its totient is φ = 86945205600.

The previous prime is 91845046763. The next prime is 91845046837. The reversal of 91845046789 is 98764054819.

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 91845046789 - 2¹¹ = 91845044741 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 (91845046759) 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, 1804557 + ... + 1854754.

It is an arithmetic number, because the mean of its divisors is an integer number (12094026160).

Almost surely, 2^91845046789 is an apocalyptic number.

It is an amenable number.

91845046789 is a deficient number, since it is larger than the sum of its proper divisors (4907162491).

91845046789 is a wasteful number, since it uses less digits than its factorization.

91845046789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660651.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 91845046789 in words is "ninety-one billion, eight hundred forty-five million, forty-six thousand, seven hundred eighty-nine".