49994444369 has 2 divisors, whose sum is σ = 49994444370. Its totient is φ = 49994444368.

The previous prime is 49994444333. The next prime is 49994444387. The reversal of 49994444369 is 96344449994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43288963600 + 6705480769 = 208060^2 + 81887^2 .

It is a cyclic number.

It is not a de Polignac number, because 49994444369 - 2¹² = 49994440273 is a prime.

It is a super-2 number, since 2×49994444369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49994444309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24997222184 + 24997222185.

It is an arithmetic number, because the mean of its divisors is an integer number (24997222185).

Almost surely, 2^49994444369 is an apocalyptic number.

It is an amenable number.

49994444369 is a deficient number, since it is larger than the sum of its proper divisors (1).

49994444369 is an equidigital number, since it uses as much as digits as its factorization.

49994444369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120932352, while the sum is 65.

The spelling of 49994444369 in words is "forty-nine billion, nine hundred ninety-four million, four hundred forty-four thousand, three hundred sixty-nine".