2119465639 has 2 divisors, whose sum is σ = 2119465640. Its totient is φ = 2119465638.

The previous prime is 2119465597. The next prime is 2119465661. The reversal of 2119465639 is 9365649112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2119465639 - 2⁷ = 2119465511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119435639) 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, 1059732819 + 1059732820.

It is an arithmetic number, because the mean of its divisors is an integer number (1059732820).

Almost surely, 2^2119465639 is an apocalyptic number.

2119465639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119465639 is an equidigital number, since it uses as much as digits as its factorization.

2119465639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 2119465639 is about 46037.6545775303. The cubic root of 2119465639 is about 1284.5237151432.

The spelling of 2119465639 in words is "two billion, one hundred nineteen million, four hundred sixty-five thousand, six hundred thirty-nine".