91341784943 has 8 divisors (see below), whose sum is σ = 92286691200. Its totient is φ = 90398822688.

The previous prime is 91341784927. The next prime is 91341784993. The reversal of 91341784943 is 34948714319.

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 91341784943 - 2⁴ = 91341784927 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 (91341784993) 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, 391448 + ... + 579581.

It is an arithmetic number, because the mean of its divisors is an integer number (11535836400).

Almost surely, 2^91341784943 is an apocalyptic number.

91341784943 is a deficient number, since it is larger than the sum of its proper divisors (944906257).

91341784943 is a wasteful number, since it uses less digits than its factorization.

91341784943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972001.

The product of its digits is 2612736, while the sum is 53.

The spelling of 91341784943 in words is "ninety-one billion, three hundred forty-one million, seven hundred eighty-four thousand, nine hundred forty-three".