273002702981 has 2 divisors, whose sum is σ = 273002702982. Its totient is φ = 273002702980.

The previous prime is 273002702971. The next prime is 273002702983. The reversal of 273002702981 is 189207200372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240506872225 + 32495830756 = 490415^2 + 180266^2 .

It is a cyclic number.

It is not a de Polignac number, because 273002702981 - 2²² = 272998508677 is a prime.

It is a super-2 number, since 2×273002702981² (a number of 24 digits) contains 22 as substring.

Together with 273002702983, 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 (273002702983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136501351490 + 136501351491.

It is an arithmetic number, because the mean of its divisors is an integer number (136501351491).

Almost surely, 2^273002702981 is an apocalyptic number.

It is an amenable number.

273002702981 is a deficient number, since it is larger than the sum of its proper divisors (1).

273002702981 is an equidigital number, since it uses as much as digits as its factorization.

273002702981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 273002702981 in words is "two hundred seventy-three billion, two million, seven hundred two thousand, nine hundred eighty-one".