8685498429 has 16 divisors (see below), whose sum is σ = 12877516800. Its totient is φ = 5785782048.

The previous prime is 8685498421. The next prime is 8685498449. The reversal of 8685498429 is 9248945868.

8685498429 is a `hidden beast` number, since 8 + 6 + 8 + 549 + 84 + 2 + 9 = 666.

It is not a de Polignac number, because 8685498429 - 2³ = 8685498421 is a prime.

It is a super-2 number, since 2×8685498429² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8685498421) 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, 91224 + ... + 160289.

It is an arithmetic number, because the mean of its divisors is an integer number (804844800).

Almost surely, 2^8685498429 is an apocalyptic number.

It is an amenable number.

8685498429 is a deficient number, since it is larger than the sum of its proper divisors (4192018371).

8685498429 is a wasteful number, since it uses less digits than its factorization.

8685498429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252801 (or 252795 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The square root of 8685498429 is about 93196.0215298915. The cubic root of 8685498429 is about 2055.5667401649.

The spelling of 8685498429 in words is "eight billion, six hundred eighty-five million, four hundred ninety-eight thousand, four hundred twenty-nine".