1027499849 has 2 divisors, whose sum is σ = 1027499850. Its totient is φ = 1027499848.

The previous prime is 1027499831. The next prime is 1027499903. The reversal of 1027499849 is 9489947201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1021249849 + 6250000 = 31957^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1027499849 - 2⁸ = 1027499593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1027499849.

It is not a weakly prime, because it can be changed into another prime (1027499449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513749924 + 513749925.

It is an arithmetic number, because the mean of its divisors is an integer number (513749925).

Almost surely, 2^1027499849 is an apocalyptic number.

It is an amenable number.

1027499849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1027499849 is an equidigital number, since it uses as much as digits as its factorization.

1027499849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 1027499849 is about 32054.6384942960. The cubic root of 1027499849 is about 1009.0838501445.

The spelling of 1027499849 in words is "one billion, twenty-seven million, four hundred ninety-nine thousand, eight hundred forty-nine".