49868288669 has 16 divisors (see below), whose sum is σ = 52747873920. Its totient is φ = 47075501760.

The previous prime is 49868288651. The next prime is 49868288683. The reversal of 49868288669 is 96688286894.

It is a cyclic number.

It is not a de Polignac number, because 49868288669 - 2¹⁶ = 49868223133 is a prime.

It is a super-2 number, since 2×49868288669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49868288596 and 49868288605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49868288609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211022 + ... + 379824.

It is an arithmetic number, because the mean of its divisors is an integer number (3296742120).

Almost surely, 2^49868288669 is an apocalyptic number.

It is an amenable number.

49868288669 is a deficient number, since it is larger than the sum of its proper divisors (2879585251).

49868288669 is a wasteful number, since it uses less digits than its factorization.

49868288669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169060.

The product of its digits is 573308928, while the sum is 74.

The spelling of 49868288669 in words is "forty-nine billion, eight hundred sixty-eight million, two hundred eighty-eight thousand, six hundred sixty-nine".