985435492705 has 16 divisors (see below), whose sum is σ = 1184126711040. Its totient is φ = 787279586688.

The previous prime is 985435492687. The next prime is 985435492709. The reversal of 985435492705 is 507294534589.

It is a cyclic number.

It is not a de Polignac number, because 985435492705 - 2⁹ = 985435492193 is a prime.

It is a super-2 number, since 2×985435492705² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (985435492709) 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, 13642414 + ... + 13714456.

It is an arithmetic number, because the mean of its divisors is an integer number (74007919440).

Almost surely, 2^985435492705 is an apocalyptic number.

It is an amenable number.

985435492705 is a deficient number, since it is larger than the sum of its proper divisors (198691218335).

985435492705 is a wasteful number, since it uses less digits than its factorization.

985435492705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75720.

The product of its (nonzero) digits is 54432000, while the sum is 61.

The spelling of 985435492705 in words is "nine hundred eighty-five billion, four hundred thirty-five million, four hundred ninety-two thousand, seven hundred five".