270840949 has 2 divisors, whose sum is σ = 270840950. Its totient is φ = 270840948.

The previous prime is 270840901. The next prime is 270840959. The reversal of 270840949 is 949048072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270832849 + 8100 = 16457^2 + 90^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270840949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270840959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135420474 + 135420475.

It is an arithmetic number, because the mean of its divisors is an integer number (135420475).

Almost surely, 2^270840949 is an apocalyptic number.

It is an amenable number.

270840949 is a deficient number, since it is larger than the sum of its proper divisors (1).

270840949 is an equidigital number, since it uses as much as digits as its factorization.

270840949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 270840949 is about 16457.2460940462. The cubic root of 270840949 is about 647.0007373619. Note that the first 3 decimals are identical.

The spelling of 270840949 in words is "two hundred seventy million, eight hundred forty thousand, nine hundred forty-nine".