2351948069 has 2 divisors, whose sum is σ = 2351948070. Its totient is φ = 2351948068.

The previous prime is 2351948057. The next prime is 2351948107. The reversal of 2351948069 is 9608491532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2233791169 + 118156900 = 47263^2 + 10870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2351948069 is a prime.

It is a super-2 number, since 2×2351948069² = 11063319438545657522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2351948569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1175974034 + 1175974035.

It is an arithmetic number, because the mean of its divisors is an integer number (1175974035).

Almost surely, 2^2351948069 is an apocalyptic number.

It is an amenable number.

2351948069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2351948069 is an equidigital number, since it uses as much as digits as its factorization.

2351948069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 2351948069 is about 48496.8872093870. The cubic root of 2351948069 is about 1329.8701644603.

The spelling of 2351948069 in words is "two billion, three hundred fifty-one million, nine hundred forty-eight thousand, sixty-nine".