274603248643 has 2 divisors, whose sum is σ = 274603248644. Its totient is φ = 274603248642.

The previous prime is 274603248613. The next prime is 274603248701. The reversal of 274603248643 is 346842306472.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274603248643 is a prime.

It is not a weakly prime, because it can be changed into another prime (274603248613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137301624321 + 137301624322.

It is an arithmetic number, because the mean of its divisors is an integer number (137301624322).

Almost surely, 2^274603248643 is an apocalyptic number.

274603248643 is a deficient number, since it is larger than the sum of its proper divisors (1).

274603248643 is an equidigital number, since it uses as much as digits as its factorization.

274603248643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 49.

The spelling of 274603248643 in words is "two hundred seventy-four billion, six hundred three million, two hundred forty-eight thousand, six hundred forty-three".