94312219091 has 4 divisors (see below), whose sum is σ = 94314199632. Its totient is φ = 94310238552.

The previous prime is 94312219063. The next prime is 94312219093. The reversal of 94312219091 is 19091221349.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 94312219091 - 2²² = 94308024787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94312219093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917036 + ... + 1014681.

It is an arithmetic number, because the mean of its divisors is an integer number (23578549908).

Almost surely, 2^94312219091 is an apocalyptic number.

94312219091 is a deficient number, since it is larger than the sum of its proper divisors (1980541).

94312219091 is a wasteful number, since it uses less digits than its factorization.

94312219091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980540.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 94312219091 in words is "ninety-four billion, three hundred twelve million, two hundred nineteen thousand, ninety-one".