1012773899 has 2 divisors, whose sum is σ = 1012773900. Its totient is φ = 1012773898.

The previous prime is 1012773889. The next prime is 1012773941. The reversal of 1012773899 is 9983772101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012773899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012773859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506386949 + 506386950.

It is an arithmetic number, because the mean of its divisors is an integer number (506386950).

Almost surely, 2^1012773899 is an apocalyptic number.

1012773899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012773899 is an equidigital number, since it uses as much as digits as its factorization.

1012773899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 1012773899 is about 31824.1087699247. The cubic root of 1012773899 is about 1004.2399636340.

The spelling of 1012773899 in words is "one billion, twelve million, seven hundred seventy-three thousand, eight hundred ninety-nine".