272349340661 has 2 divisors, whose sum is σ = 272349340662. Its totient is φ = 272349340660.

The previous prime is 272349340603. The next prime is 272349340673. The reversal of 272349340661 is 166043943272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270472804900 + 1876535761 = 520070^2 + 43319^2 .

It is a cyclic number.

It is not a de Polignac number, because 272349340661 - 2⁶ = 272349340597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272349340261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136174670330 + 136174670331.

It is an arithmetic number, because the mean of its divisors is an integer number (136174670331).

Almost surely, 2^272349340661 is an apocalyptic number.

It is an amenable number.

272349340661 is a deficient number, since it is larger than the sum of its proper divisors (1).

272349340661 is an equidigital number, since it uses as much as digits as its factorization.

272349340661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 272349340661 in words is "two hundred seventy-two billion, three hundred forty-nine million, three hundred forty thousand, six hundred sixty-one".