2550796970549 has 2 divisors, whose sum is σ = 2550796970550. Its totient is φ = 2550796970548.

The previous prime is 2550796970483. The next prime is 2550796970563. The reversal of 2550796970549 is 9450796970552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1337219329924 + 1213577640625 = 1156382^2 + 1101625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2550796970549 is a prime.

It is a super-2 number, since 2×2550796970549² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2550796970569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275398485274 + 1275398485275.

It is an arithmetic number, because the mean of its divisors is an integer number (1275398485275).

Almost surely, 2^{2550796970549} is an apocalyptic number.

It is an amenable number.

2550796970549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550796970549 is an equidigital number, since it uses as much as digits as its factorization.

2550796970549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326000, while the sum is 68.

The spelling of 2550796970549 in words is "two trillion, five hundred fifty billion, seven hundred ninety-six million, nine hundred seventy thousand, five hundred forty-nine".