274989959 has 2 divisors, whose sum is σ = 274989960. Its totient is φ = 274989958.

The previous prime is 274989937. The next prime is 274989971. The reversal of 274989959 is 959989472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 274989959 - 2⁸ = 274989703 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274989929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137494979 + 137494980.

It is an arithmetic number, because the mean of its divisors is an integer number (137494980).

Almost surely, 2^274989959 is an apocalyptic number.

274989959 is a deficient number, since it is larger than the sum of its proper divisors (1).

274989959 is an equidigital number, since it uses as much as digits as its factorization.

274989959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 62.

The square root of 274989959 is about 16582.8212014723. The cubic root of 274989959 is about 650.2878086392.

The spelling of 274989959 in words is "two hundred seventy-four million, nine hundred eighty-nine thousand, nine hundred fifty-nine".