10435139985 has 32 divisors (see below), whose sum is σ = 17176084992. Its totient is φ = 5407185920.

The previous prime is 10435139893. The next prime is 10435139999. The reversal of 10435139985 is 58993153401.

It is not a de Polignac number, because 10435139985 - 2²¹ = 10433042833 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, 42565 + ... + 150605.

It is an arithmetic number, because the mean of its divisors is an integer number (536752656).

Almost surely, 2^10435139985 is an apocalyptic number.

10435139985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10435139985 is a deficient number, since it is larger than the sum of its proper divisors (6740945007).

10435139985 is a wasteful number, since it uses less digits than its factorization.

10435139985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108233.

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 10435139985 in words is "ten billion, four hundred thirty-five million, one hundred thirty-nine thousand, nine hundred eighty-five".