274317544421 has 2 divisors, whose sum is σ = 274317544422. Its totient is φ = 274317544420.

The previous prime is 274317544409. The next prime is 274317544427. The reversal of 274317544421 is 124445713472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187536633025 + 86780911396 = 433055^2 + 294586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274317544421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274317544427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137158772210 + 137158772211.

It is an arithmetic number, because the mean of its divisors is an integer number (137158772211).

Almost surely, 2^274317544421 is an apocalyptic number.

It is an amenable number.

274317544421 is a deficient number, since it is larger than the sum of its proper divisors (1).

274317544421 is an equidigital number, since it uses as much as digits as its factorization.

274317544421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 44.

The spelling of 274317544421 in words is "two hundred seventy-four billion, three hundred seventeen million, five hundred forty-four thousand, four hundred twenty-one".