49977243049 has 2 divisors, whose sum is σ = 49977243050. Its totient is φ = 49977243048.

The previous prime is 49977243037. The next prime is 49977243091. The reversal of 49977243049 is 94034277994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49889689600 + 87553449 = 223360^2 + 9357^2 .

It is a cyclic number.

It is not a de Polignac number, because 49977243049 - 2⁷ = 49977242921 is a prime.

It is a super-3 number, since 3×49977243049³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49977242984 and 49977243002.

It is not a weakly prime, because it can be changed into another prime (49977243649) 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, 24988621524 + 24988621525.

It is an arithmetic number, because the mean of its divisors is an integer number (24988621525).

Almost surely, 2^49977243049 is an apocalyptic number.

It is an amenable number.

49977243049 is a deficient number, since it is larger than the sum of its proper divisors (1).

49977243049 is an equidigital number, since it uses as much as digits as its factorization.

49977243049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 49977243049 in words is "forty-nine billion, nine hundred seventy-seven million, two hundred forty-three thousand, forty-nine".