49774622669 has 2 divisors, whose sum is σ = 49774622670. Its totient is φ = 49774622668.

The previous prime is 49774622663. The next prime is 49774622683. The reversal of 49774622669 is 96622647794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36495517444 + 13279105225 = 191038^2 + 115235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49774622669 is a prime.

It is a super-2 number, since 2×49774622669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49774622663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24887311334 + 24887311335.

It is an arithmetic number, because the mean of its divisors is an integer number (24887311335).

Almost surely, 2^49774622669 is an apocalyptic number.

It is an amenable number.

49774622669 is a deficient number, since it is larger than the sum of its proper divisors (1).

49774622669 is an equidigital number, since it uses as much as digits as its factorization.

49774622669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54867456, while the sum is 62.

The spelling of 49774622669 in words is "forty-nine billion, seven hundred seventy-four million, six hundred twenty-two thousand, six hundred sixty-nine".