49008559969 has 2 divisors, whose sum is σ = 49008559970. Its totient is φ = 49008559968.

The previous prime is 49008559961. The next prime is 49008560009. The reversal of 49008559969 is 96995580094.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42973290000 + 6035269969 = 207300^2 + 77687^2 .

It is a cyclic number.

It is not a de Polignac number, because 49008559969 - 2³ = 49008559961 is a prime.

It is a super-2 number, since 2×49008559969² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49008559969.

It is not a weakly prime, because it can be changed into another prime (49008559961) 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, 24504279984 + 24504279985.

It is an arithmetic number, because the mean of its divisors is an integer number (24504279985).

Almost surely, 2^49008559969 is an apocalyptic number.

It is an amenable number.

49008559969 is a deficient number, since it is larger than the sum of its proper divisors (1).

49008559969 is an equidigital number, since it uses as much as digits as its factorization.

49008559969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31492800, while the sum is 64.

The spelling of 49008559969 in words is "forty-nine billion, eight million, five hundred fifty-nine thousand, nine hundred sixty-nine".