4689689453 has 4 divisors (see below), whose sum is σ = 4692521340. Its totient is φ = 4686857568.

The previous prime is 4689689449. The next prime is 4689689461. The reversal of 4689689453 is 3549869864.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2898960964 + 1790728489 = 53842^2 + 42317^2 .

It is a cyclic number.

It is not a de Polignac number, because 4689689453 - 2² = 4689689449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4689689423) 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, 1413458 + ... + 1416771.

It is an arithmetic number, because the mean of its divisors is an integer number (1173130335).

Almost surely, 2^4689689453 is an apocalyptic number.

It is an amenable number.

4689689453 is a deficient number, since it is larger than the sum of its proper divisors (2831887).

4689689453 is a wasteful number, since it uses less digits than its factorization.

4689689453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831886.

The product of its digits is 44789760, while the sum is 62.

The square root of 4689689453 is about 68481.3073254301. The cubic root of 4689689453 is about 1673.8429021103.

The spelling of 4689689453 in words is "four billion, six hundred eighty-nine million, six hundred eighty-nine thousand, four hundred fifty-three".