1027627949 has 2 divisors, whose sum is σ = 1027627950. Its totient is φ = 1027627948.

The previous prime is 1027627927. The next prime is 1027627961. The reversal of 1027627949 is 9497267201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790621924 + 237006025 = 28118^2 + 15395^2 .

It is an emirp because it is prime and its reverse (9497267201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1027627949 - 2²⁴ = 1010850733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1027627969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513813974 + 513813975.

It is an arithmetic number, because the mean of its divisors is an integer number (513813975).

Almost surely, 2^1027627949 is an apocalyptic number.

It is an amenable number.

1027627949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1027627949 is an equidigital number, since it uses as much as digits as its factorization.

1027627949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 1027627949 is about 32056.6365827733. The cubic root of 1027627949 is about 1009.1257830849.

The spelling of 1027627949 in words is "one billion, twenty-seven million, six hundred twenty-seven thousand, nine hundred forty-nine".