49653886619 has 2 divisors, whose sum is σ = 49653886620. Its totient is φ = 49653886618.

The previous prime is 49653886427. The next prime is 49653886621. The reversal of 49653886619 is 91668835694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49653886619 - 2⁸ = 49653886363 is a prime.

It is a super-2 number, since 2×49653886619² (a number of 22 digits) contains 22 as substring.

Together with 49653886621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49653886699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24826943309 + 24826943310.

It is an arithmetic number, because the mean of its divisors is an integer number (24826943310).

Almost surely, 2^49653886619 is an apocalyptic number.

49653886619 is a deficient number, since it is larger than the sum of its proper divisors (1).

49653886619 is an equidigital number, since it uses as much as digits as its factorization.

49653886619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67184640, while the sum is 65.

The spelling of 49653886619 in words is "forty-nine billion, six hundred fifty-three million, eight hundred eighty-six thousand, six hundred nineteen".