14722091261 has 2 divisors, whose sum is σ = 14722091262. Its totient is φ = 14722091260.

The previous prime is 14722091249. The next prime is 14722091303. The reversal of 14722091261 is 16219022741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14666663236 + 55428025 = 121106^2 + 7445^2 .

It is a cyclic number.

It is not a de Polignac number, because 14722091261 - 2³⁰ = 13648349437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14722091161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7361045630 + 7361045631.

It is an arithmetic number, because the mean of its divisors is an integer number (7361045631).

Almost surely, 2^14722091261 is an apocalyptic number.

It is an amenable number.

14722091261 is a deficient number, since it is larger than the sum of its proper divisors (1).

14722091261 is an equidigital number, since it uses as much as digits as its factorization.

14722091261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 14722091261 in words is "fourteen billion, seven hundred twenty-two million, ninety-one thousand, two hundred sixty-one".