273506901797 has 2 divisors, whose sum is σ = 273506901798. Its totient is φ = 273506901796.

The previous prime is 273506901727. The next prime is 273506901847. The reversal of 273506901797 is 797109605372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255177532801 + 18329368996 = 505151^2 + 135386^2 .

It is a cyclic number.

It is not a de Polignac number, because 273506901797 - 2¹⁶ = 273506836261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273506901727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136753450898 + 136753450899.

It is an arithmetic number, because the mean of its divisors is an integer number (136753450899).

Almost surely, 2^273506901797 is an apocalyptic number.

It is an amenable number.

273506901797 is a deficient number, since it is larger than the sum of its proper divisors (1).

273506901797 is an equidigital number, since it uses as much as digits as its factorization.

273506901797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000940, while the sum is 56.

The spelling of 273506901797 in words is "two hundred seventy-three billion, five hundred six million, nine hundred one thousand, seven hundred ninety-seven".