1002002999906 has 32 divisors (see below), whose sum is σ = 1571525480448. Its totient is φ = 478250332560.

The previous prime is 1002002999903. The next prime is 1002002999909. The reversal of 1002002999906 is 6099992002001.

It is an interprime number because it is at equal distance from previous prime (1002002999903) and next prime (1002002999909).

It is not an unprimeable number, because it can be changed into a prime (1002002999903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47273771 + ... + 47294961.

It is an arithmetic number, because the mean of its divisors is an integer number (49110171264).

Almost surely, 2^{1002002999906} is an apocalyptic number.

1002002999906 is a deficient number, since it is larger than the sum of its proper divisors (569522480542).

1002002999906 is a wasteful number, since it uses less digits than its factorization.

1002002999906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23246.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 1002002999906 in words is "one trillion, two billion, two million, nine hundred ninety-nine thousand, nine hundred six".