280048161517049 has 2 divisors, whose sum is σ = 280048161517050. Its totient is φ = 280048161517048.

The previous prime is 280048161517027. The next prime is 280048161517079. The reversal of 280048161517049 is 940715161840082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275169805827049 + 4878355690000 = 16588243^2 + 2208700^2 .

It is a cyclic number.

It is not a de Polignac number, because 280048161517049 - 2²⁴ = 280048144739833 is a prime.

It is a super-2 number, since 2×280048161517049² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 280048161516985 and 280048161517003.

It is not a weakly prime, because it can be changed into another prime (280048161517079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140024080758524 + 140024080758525.

It is an arithmetic number, because the mean of its divisors is an integer number (140024080758525).

Almost surely, 2^{280048161517049} is an apocalyptic number.

It is an amenable number.

280048161517049 is a deficient number, since it is larger than the sum of its proper divisors (1).

280048161517049 is an equidigital number, since it uses as much as digits as its factorization.

280048161517049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 280048161517049 in words is "two hundred eighty trillion, forty-eight billion, one hundred sixty-one million, five hundred seventeen thousand, forty-nine".