273922990261 has 2 divisors, whose sum is σ = 273922990262. Its totient is φ = 273922990260.

The previous prime is 273922990249. The next prime is 273922990301. The reversal of 273922990261 is 162099229372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217804223025 + 56118767236 = 466695^2 + 236894^2 .

It is a cyclic number.

It is not a de Polignac number, because 273922990261 - 2¹⁵ = 273922957493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 273922990199 and 273922990208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273922999261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136961495130 + 136961495131.

It is an arithmetic number, because the mean of its divisors is an integer number (136961495131).

Almost surely, 2^273922990261 is an apocalyptic number.

It is an amenable number.

273922990261 is a deficient number, since it is larger than the sum of its proper divisors (1).

273922990261 is an equidigital number, since it uses as much as digits as its factorization.

273922990261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 273922990261 in words is "two hundred seventy-three billion, nine hundred twenty-two million, nine hundred ninety thousand, two hundred sixty-one".