1006973999 has 2 divisors, whose sum is σ = 1006974000. Its totient is φ = 1006973998.

The previous prime is 1006973969. The next prime is 1006974049. The reversal of 1006973999 is 9993796001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1006973999 - 2⁸ = 1006973743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1006973999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006973969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503486999 + 503487000.

It is an arithmetic number, because the mean of its divisors is an integer number (503487000).

Almost surely, 2^1006973999 is an apocalyptic number.

1006973999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006973999 is an equidigital number, since it uses as much as digits as its factorization.

1006973999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 826686, while the sum is 53.

The square root of 1006973999 is about 31732.8536220744. The cubic root of 1006973999 is about 1002.3192831007.

The spelling of 1006973999 in words is "one billion, six million, nine hundred seventy-three thousand, nine hundred ninety-nine".