1047810899 has 2 divisors, whose sum is σ = 1047810900. Its totient is φ = 1047810898.

The previous prime is 1047810887. The next prime is 1047810961. The reversal of 1047810899 is 9980187401.

It is a weak prime.

It is an emirp because it is prime and its reverse (9980187401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047810899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1047870899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523905449 + 523905450.

It is an arithmetic number, because the mean of its divisors is an integer number (523905450).

Almost surely, 2^1047810899 is an apocalyptic number.

1047810899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047810899 is an equidigital number, since it uses as much as digits as its factorization.

1047810899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 1047810899 is about 32369.9073060149. The cubic root of 1047810899 is about 1015.6895179766.

The spelling of 1047810899 in words is "one billion, forty-seven million, eight hundred ten thousand, eight hundred ninety-nine".