49422187669 has 2 divisors, whose sum is σ = 49422187670. Its totient is φ = 49422187668.

The previous prime is 49422187667. The next prime is 49422187693. The reversal of 49422187669 is 96678122494.

49422187669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41507950225 + 7914237444 = 203735^2 + 88962^2 .

It is a cyclic number.

It is not a de Polignac number, because 49422187669 - 2¹ = 49422187667 is a prime.

It is a super-2 number, since 2×49422187669² (a number of 22 digits) contains 22 as substring.

Together with 49422187667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49422187667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24711093834 + 24711093835.

It is an arithmetic number, because the mean of its divisors is an integer number (24711093835).

Almost surely, 2^49422187669 is an apocalyptic number.

It is an amenable number.

49422187669 is a deficient number, since it is larger than the sum of its proper divisors (1).

49422187669 is an equidigital number, since it uses as much as digits as its factorization.

49422187669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 58.

The spelling of 49422187669 in words is "forty-nine billion, four hundred twenty-two million, one hundred eighty-seven thousand, six hundred sixty-nine".