274453019 has 2 divisors, whose sum is σ = 274453020. Its totient is φ = 274453018.

The previous prime is 274452979. The next prime is 274453037. The reversal of 274453019 is 910354472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274453019 is a prime.

It is a super-2 number, since 2×274453019² = 150648919276428722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 274453019.

It is not a weakly prime, because it can be changed into another prime (274453099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137226509 + 137226510.

It is an arithmetic number, because the mean of its divisors is an integer number (137226510).

Almost surely, 2^274453019 is an apocalyptic number.

274453019 is a deficient number, since it is larger than the sum of its proper divisors (1).

274453019 is an equidigital number, since it uses as much as digits as its factorization.

274453019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 274453019 is about 16566.6236451487. The cubic root of 274453019 is about 649.8642864592.

The spelling of 274453019 in words is "two hundred seventy-four million, four hundred fifty-three thousand, nineteen".