2351649791 has 2 divisors, whose sum is σ = 2351649792. Its totient is φ = 2351649790.

The previous prime is 2351649787. The next prime is 2351649793. The reversal of 2351649791 is 1979461532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2351649791 - 2² = 2351649787 is a prime.

It is a Sophie Germain prime.

Together with 2351649793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2351649793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1175824895 + 1175824896.

It is an arithmetic number, because the mean of its divisors is an integer number (1175824896).

Almost surely, 2^2351649791 is an apocalyptic number.

2351649791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2351649791 is an equidigital number, since it uses as much as digits as its factorization.

2351649791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 2351649791 is about 48493.8118835795. The cubic root of 2351649791 is about 1329.8139432951.

The spelling of 2351649791 in words is "two billion, three hundred fifty-one million, six hundred forty-nine thousand, seven hundred ninety-one".