1002000999950 has 24 divisors (see below), whose sum is σ = 1869676272048. Its totient is φ = 399519881280.

The previous prime is 1002000999929. The next prime is 1002000999953. The reversal of 1002000999950 is 599990002001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002000999953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31997162 + ... + 32028461.

It is an arithmetic number, because the mean of its divisors is an integer number (77903178002).

Almost surely, 2^{1002000999950} is an apocalyptic number.

1002000999950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002000999950 is a deficient number, since it is larger than the sum of its proper divisors (867675272098).

1002000999950 is a wasteful number, since it uses less digits than its factorization.

1002000999950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64025948 (or 64025943 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 44.

The spelling of 1002000999950 in words is "one trillion, two billion, nine hundred ninety-nine thousand, nine hundred fifty".