273907739489 has 2 divisors, whose sum is σ = 273907739490. Its totient is φ = 273907739488.

The previous prime is 273907739467. The next prime is 273907739563. The reversal of 273907739489 is 984937709372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206494809889 + 67412929600 = 454417^2 + 259640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273907739489 is a prime.

It is a super-2 number, since 2×273907739489² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (273907739689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136953869744 + 136953869745.

It is an arithmetic number, because the mean of its divisors is an integer number (136953869745).

Almost surely, 2^273907739489 is an apocalyptic number.

It is an amenable number.

273907739489 is a deficient number, since it is larger than the sum of its proper divisors (1).

273907739489 is an equidigital number, since it uses as much as digits as its factorization.

273907739489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144027072, while the sum is 68.

The spelling of 273907739489 in words is "two hundred seventy-three billion, nine hundred seven million, seven hundred thirty-nine thousand, four hundred eighty-nine".