2350640639 has 2 divisors, whose sum is σ = 2350640640. Its totient is φ = 2350640638.

The previous prime is 2350640561. The next prime is 2350640681. The reversal of 2350640639 is 9360460532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2350640639 - 2¹² = 2350636543 is a prime.

It is a super-2 number, since 2×2350640639² = 11051022827436656642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2350642639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1175320319 + 1175320320.

It is an arithmetic number, because the mean of its divisors is an integer number (1175320320).

Almost surely, 2^2350640639 is an apocalyptic number.

2350640639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2350640639 is an equidigital number, since it uses as much as digits as its factorization.

2350640639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 2350640639 is about 48483.4058106482. The cubic root of 2350640639 is about 1329.6236972232.

The spelling of 2350640639 in words is "two billion, three hundred fifty million, six hundred forty thousand, six hundred thirty-nine".