669758453 has 16 divisors (see below), whose sum is σ = 826439040. Its totient is φ = 528555456.

The previous prime is 669758437. The next prime is 669758461. The reversal of 669758453 is 354857966.

It is not a de Polignac number, because 669758453 - 2⁴ = 669758437 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 669758395 and 669758404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669758653) 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, 26858 + ... + 45396.

It is an arithmetic number, because the mean of its divisors is an integer number (51652440).

Almost surely, 2^669758453 is an apocalyptic number.

It is an amenable number.

669758453 is a deficient number, since it is larger than the sum of its proper divisors (156680587).

669758453 is a wasteful number, since it uses less digits than its factorization.

669758453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18956.

The product of its digits is 5443200, while the sum is 53.

The square root of 669758453 is about 25879.6919031120. The cubic root of 669758453 is about 874.9288444995.

The spelling of 669758453 in words is "six hundred sixty-nine million, seven hundred fifty-eight thousand, four hundred fifty-three".