274261019827 has 2 divisors, whose sum is σ = 274261019828. Its totient is φ = 274261019826.

The previous prime is 274261019821. The next prime is 274261019843. The reversal of 274261019827 is 728910162472.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274261019827 is a prime.

It is not a weakly prime, because it can be changed into another prime (274261019821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137130509913 + 137130509914.

It is an arithmetic number, because the mean of its divisors is an integer number (137130509914).

Almost surely, 2^274261019827 is an apocalyptic number.

274261019827 is a deficient number, since it is larger than the sum of its proper divisors (1).

274261019827 is an equidigital number, since it uses as much as digits as its factorization.

274261019827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 274261019827 in words is "two hundred seventy-four billion, two hundred sixty-one million, nineteen thousand, eight hundred twenty-seven".