2354216791 has 2 divisors, whose sum is σ = 2354216792. Its totient is φ = 2354216790.

The previous prime is 2354216789. The next prime is 2354216803. The reversal of 2354216791 is 1976124532.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2354216791 - 2¹ = 2354216789 is a prime.

Together with 2354216789, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2354210791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177108395 + 1177108396.

It is an arithmetic number, because the mean of its divisors is an integer number (1177108396).

Almost surely, 2^2354216791 is an apocalyptic number.

2354216791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2354216791 is an equidigital number, since it uses as much as digits as its factorization.

2354216791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 2354216791 is about 48520.2719592543. The cubic root of 2354216791 is about 1330.2976308295.

The spelling of 2354216791 in words is "two billion, three hundred fifty-four million, two hundred sixteen thousand, seven hundred ninety-one".