272605408391 has 2 divisors, whose sum is σ = 272605408392. Its totient is φ = 272605408390.

The previous prime is 272605408367. The next prime is 272605408421. The reversal of 272605408391 is 193804506272.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272605408391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272605408331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136302704195 + 136302704196.

It is an arithmetic number, because the mean of its divisors is an integer number (136302704196).

It is a 1-persistent number, because it is pandigital, but 2⋅272605408391 = 545210816782 is not.

Almost surely, 2^272605408391 is an apocalyptic number.

272605408391 is a deficient number, since it is larger than the sum of its proper divisors (1).

272605408391 is an equidigital number, since it uses as much as digits as its factorization.

272605408391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 272605408391 in words is "two hundred seventy-two billion, six hundred five million, four hundred eight thousand, three hundred ninety-one".