273660988969 has 2 divisors, whose sum is σ = 273660988970. Its totient is φ = 273660988968.

The previous prime is 273660988943. The next prime is 273660989023. The reversal of 273660988969 is 969889066372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270504010000 + 3156978969 = 520100^2 + 56187^2 .

It is a cyclic number.

It is not a de Polignac number, because 273660988969 - 2⁹ = 273660988457 is a prime.

It is a super-2 number, since 2×273660988969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (273660988169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136830494484 + 136830494485.

It is an arithmetic number, because the mean of its divisors is an integer number (136830494485).

Almost surely, 2^273660988969 is an apocalyptic number.

It is an amenable number.

273660988969 is a deficient number, since it is larger than the sum of its proper divisors (1).

273660988969 is an equidigital number, since it uses as much as digits as its factorization.

273660988969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423263232, while the sum is 73.

The spelling of 273660988969 in words is "two hundred seventy-three billion, six hundred sixty million, nine hundred eighty-eight thousand, nine hundred sixty-nine".