272628568397 has 2 divisors, whose sum is σ = 272628568398. Its totient is φ = 272628568396.

The previous prime is 272628568369. The next prime is 272628568411. The reversal of 272628568397 is 793865826272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261060705481 + 11567862916 = 510941^2 + 107554^2 .

It is a cyclic number.

It is not a de Polignac number, because 272628568397 - 2²² = 272624374093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272628568337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136314284198 + 136314284199.

It is an arithmetic number, because the mean of its divisors is an integer number (136314284199).

Almost surely, 2^272628568397 is an apocalyptic number.

It is an amenable number.

272628568397 is a deficient number, since it is larger than the sum of its proper divisors (1).

272628568397 is an equidigital number, since it uses as much as digits as its factorization.

272628568397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121927680, while the sum is 65.

The spelling of 272628568397 in words is "two hundred seventy-two billion, six hundred twenty-eight million, five hundred sixty-eight thousand, three hundred ninety-seven".