35685243873 has 32 divisors (see below), whose sum is σ = 53169217920. Its totient is φ = 23654522880.

The previous prime is 35685243871. The next prime is 35685243877. The reversal of 35685243873 is 37834258653.

It is a happy number.

35685243873 is a `hidden beast` number, since 3 + 568 + 5 + 2 + 4 + 3 + 8 + 73 = 666.

It is not a de Polignac number, because 35685243873 - 2¹ = 35685243871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (35685243871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4068813 + ... + 4077573.

It is an arithmetic number, because the mean of its divisors is an integer number (1661538060).

Almost surely, 2^35685243873 is an apocalyptic number.

It is an amenable number.

35685243873 is a deficient number, since it is larger than the sum of its proper divisors (17483974047).

35685243873 is a wasteful number, since it uses less digits than its factorization.

35685243873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9614 (or 9608 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 35685243873 in words is "thirty-five billion, six hundred eighty-five million, two hundred forty-three thousand, eight hundred seventy-three".