49988413469 has 2 divisors, whose sum is σ = 49988413470. Its totient is φ = 49988413468.

The previous prime is 49988413421. The next prime is 49988413483. The reversal of 49988413469 is 96431488994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46392852100 + 3595561369 = 215390^2 + 59963^2 .

It is a cyclic number.

It is not a de Polignac number, because 49988413469 - 2¹⁶ = 49988347933 is a prime.

It is a super-2 number, since 2×49988413469² (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 (49988413499) 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, 24994206734 + 24994206735.

It is an arithmetic number, because the mean of its divisors is an integer number (24994206735).

Almost surely, 2^49988413469 is an apocalyptic number.

It is an amenable number.

49988413469 is a deficient number, since it is larger than the sum of its proper divisors (1).

49988413469 is an equidigital number, since it uses as much as digits as its factorization.

49988413469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53747712, while the sum is 65.

The spelling of 49988413469 in words is "forty-nine billion, nine hundred eighty-eight million, four hundred thirteen thousand, four hundred sixty-nine".