49424149669 has 2 divisors, whose sum is σ = 49424149670. Its totient is φ = 49424149668.

The previous prime is 49424149601. The next prime is 49424149681. The reversal of 49424149669 is 96694142494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41264640769 + 8159508900 = 203137^2 + 90330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49424149669 is a prime.

It is a super-2 number, since 2×49424149669² (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 (49424149069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24712074834 + 24712074835.

It is an arithmetic number, because the mean of its divisors is an integer number (24712074835).

Almost surely, 2^49424149669 is an apocalyptic number.

It is an amenable number.

49424149669 is a deficient number, since it is larger than the sum of its proper divisors (1).

49424149669 is an equidigital number, since it uses as much as digits as its factorization.

49424149669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13436928, while the sum is 58.

The spelling of 49424149669 in words is "forty-nine billion, four hundred twenty-four million, one hundred forty-nine thousand, six hundred sixty-nine".