272492789 has 2 divisors, whose sum is σ = 272492790. Its totient is φ = 272492788.

The previous prime is 272492777. The next prime is 272492791. The reversal of 272492789 is 987294272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250683889 + 21808900 = 15833^2 + 4670^2 .

It is a cyclic number.

It is not a de Polignac number, because 272492789 - 2¹² = 272488693 is a prime.

Together with 272492791, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272492189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136246394 + 136246395.

It is an arithmetic number, because the mean of its divisors is an integer number (136246395).

Almost surely, 2^272492789 is an apocalyptic number.

It is an amenable number.

272492789 is a deficient number, since it is larger than the sum of its proper divisors (1).

272492789 is an equidigital number, since it uses as much as digits as its factorization.

272492789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The square root of 272492789 is about 16507.3556028820. The cubic root of 272492789 is about 648.3134097464.

The spelling of 272492789 in words is "two hundred seventy-two million, four hundred ninety-two thousand, seven hundred eighty-nine".