84295219691 has 2 divisors, whose sum is σ = 84295219692. Its totient is φ = 84295219690.

The previous prime is 84295219597. The next prime is 84295219703. The reversal of 84295219691 is 19691259248.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84295219691 is a prime.

It is not a weakly prime, because it can be changed into another prime (84295219091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42147609845 + 42147609846.

It is an arithmetic number, because the mean of its divisors is an integer number (42147609846).

Almost surely, 2^84295219691 is an apocalyptic number.

84295219691 is a deficient number, since it is larger than the sum of its proper divisors (1).

84295219691 is an equidigital number, since it uses as much as digits as its factorization.

84295219691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 56.

The spelling of 84295219691 in words is "eighty-four billion, two hundred ninety-five million, two hundred nineteen thousand, six hundred ninety-one".