2352391649 has 2 divisors, whose sum is σ = 2352391650. Its totient is φ = 2352391648.

The previous prime is 2352391621. The next prime is 2352391673. The reversal of 2352391649 is 9461932532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1633776400 + 718615249 = 40420^2 + 26807^2 .

It is a cyclic number.

It is not a de Polignac number, because 2352391649 - 2¹⁶ = 2352326113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2352391619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1176195824 + 1176195825.

It is an arithmetic number, because the mean of its divisors is an integer number (1176195825).

Almost surely, 2^2352391649 is an apocalyptic number.

It is an amenable number.

2352391649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2352391649 is an equidigital number, since it uses as much as digits as its factorization.

2352391649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 44.

The square root of 2352391649 is about 48501.4602769855. The cubic root of 2352391649 is about 1329.9537641982.

The spelling of 2352391649 in words is "two billion, three hundred fifty-two million, three hundred ninety-one thousand, six hundred forty-nine".