689753319 has 4 divisors (see below), whose sum is σ = 919671096. Its totient is φ = 459835544.

The previous prime is 689753269. The next prime is 689753321. The reversal of 689753319 is 913357986.

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

It is a cyclic number.

It is not a de Polignac number, because 689753319 - 2¹² = 689749223 is a prime.

It is a super-2 number, since 2×689753319² = 951519282143031522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689753369) 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, 114958884 + ... + 114958889.

It is an arithmetic number, because the mean of its divisors is an integer number (229917774).

Almost surely, 2^689753319 is an apocalyptic number.

689753319 is a deficient number, since it is larger than the sum of its proper divisors (229917777).

689753319 is a wasteful number, since it uses less digits than its factorization.

689753319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229917776.

The product of its digits is 1224720, while the sum is 51.

The square root of 689753319 is about 26263.1551607951. The cubic root of 689753319 is about 883.5502748360.

The spelling of 689753319 in words is "six hundred eighty-nine million, seven hundred fifty-three thousand, three hundred nineteen".