1001993432650 has 24 divisors (see below), whose sum is σ = 2129951754720. Its totient is φ = 343540605360.

The previous prime is 1001993432611. The next prime is 1001993432777. The reversal of 1001993432650 is 562343991001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001993432597 and 1001993432606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1431418840 + ... + 1431419539.

It is an arithmetic number, because the mean of its divisors is an integer number (88747989780).

Almost surely, 2^{1001993432650} is an apocalyptic number.

1001993432650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001993432650 is an abundant number, since it is smaller than the sum of its proper divisors (1127958322070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001993432650 is a wasteful number, since it uses less digits than its factorization.

1001993432650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862838398 (or 2862838393 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 1001993432650 in words is "one trillion, one billion, nine hundred ninety-three million, four hundred thirty-two thousand, six hundred fifty".