273355553389 has 2 divisors, whose sum is σ = 273355553390. Its totient is φ = 273355553388.

The previous prime is 273355553363. The next prime is 273355553413. The reversal of 273355553389 is 983355553372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240835562500 + 32519990889 = 490750^2 + 180333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273355553389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273355553189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136677776694 + 136677776695.

It is an arithmetic number, because the mean of its divisors is an integer number (136677776695).

Almost surely, 2^273355553389 is an apocalyptic number.

It is an amenable number.

273355553389 is a deficient number, since it is larger than the sum of its proper divisors (1).

273355553389 is an equidigital number, since it uses as much as digits as its factorization.

273355553389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030000, while the sum is 58.

The spelling of 273355553389 in words is "two hundred seventy-three billion, three hundred fifty-five million, five hundred fifty-three thousand, three hundred eighty-nine".