4892685809 has 4 divisors (see below), whose sum is σ = 5337475440. Its totient is φ = 4447896180.

The previous prime is 4892685803. The next prime is 4892685821. The reversal of 4892685809 is 9085862984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4892685809 - 2¹² = 4892681713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4892685803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222394799 + ... + 222394820.

It is an arithmetic number, because the mean of its divisors is an integer number (1334368860).

Almost surely, 2^4892685809 is an apocalyptic number.

It is an amenable number.

4892685809 is a deficient number, since it is larger than the sum of its proper divisors (444789631).

4892685809 is a wasteful number, since it uses less digits than its factorization.

4892685809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444789630.

The product of its (nonzero) digits is 9953280, while the sum is 59.

The square root of 4892685809 is about 69947.7362678736. The cubic root of 4892685809 is about 1697.6537192903.

The spelling of 4892685809 in words is "four billion, eight hundred ninety-two million, six hundred eighty-five thousand, eight hundred nine".