10328993985 has 32 divisors (see below), whose sum is σ = 17412415488. Its totient is φ = 5218107840.

The previous prime is 10328993957. The next prime is 10328994043. The reversal of 10328993985 is 58939982301.

It is not a de Polignac number, because 10328993985 - 2⁵ = 10328993953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109801 + ... + 180870.

It is an arithmetic number, because the mean of its divisors is an integer number (544137984).

Almost surely, 2^10328993985 is an apocalyptic number.

10328993985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10328993985 is a deficient number, since it is larger than the sum of its proper divisors (7083421503).

10328993985 is a wasteful number, since it uses less digits than its factorization.

10328993985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290805.

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 10328993985 in words is "ten billion, three hundred twenty-eight million, nine hundred ninety-three thousand, nine hundred eighty-five".