49297078049 has 2 divisors, whose sum is σ = 49297078050. Its totient is φ = 49297078048.

The previous prime is 49297078043. The next prime is 49297078067. The reversal of 49297078049 is 94087079294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33233290000 + 16063788049 = 182300^2 + 126743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49297078049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (49297078043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24648539024 + 24648539025.

It is an arithmetic number, because the mean of its divisors is an integer number (24648539025).

Almost surely, 2^49297078049 is an apocalyptic number.

It is an amenable number.

49297078049 is a deficient number, since it is larger than the sum of its proper divisors (1).

49297078049 is an equidigital number, since it uses as much as digits as its factorization.

49297078049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 49297078049 in words is "forty-nine billion, two hundred ninety-seven million, seventy-eight thousand, forty-nine".