718307272349 has 2 divisors, whose sum is σ = 718307272350. Its totient is φ = 718307272348.

The previous prime is 718307272343. The next prime is 718307272369. The reversal of 718307272349 is 943272703817.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 697361946724 + 20945325625 = 835082^2 + 144725^2 .

It is a cyclic number.

It is not a de Polignac number, because 718307272349 - 2¹² = 718307268253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 718307272349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (718307272343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359153636174 + 359153636175.

It is an arithmetic number, because the mean of its divisors is an integer number (359153636175).

Almost surely, 2^718307272349 is an apocalyptic number.

It is an amenable number.

718307272349 is a deficient number, since it is larger than the sum of its proper divisors (1).

718307272349 is an equidigital number, since it uses as much as digits as its factorization.

718307272349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 718307272349 in words is "seven hundred eighteen billion, three hundred seven million, two hundred seventy-two thousand, three hundred forty-nine".