2685786453 has 12 divisors (see below), whose sum is σ = 4433679328. Its totient is φ = 1534735080.

The previous prime is 2685786431. The next prime is 2685786469. The reversal of 2685786453 is 3546875862.

2685786453 is a `hidden beast` number, since 2 + 6 + 8 + 578 + 64 + 5 + 3 = 666.

It is not a de Polignac number, because 2685786453 - 2²⁰ = 2684737877 is a prime.

It is a super-2 number, since 2×2685786453² = 14426897742236642418, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2685786453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685786473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21315703 + ... + 21315828.

Almost surely, 2^2685786453 is an apocalyptic number.

It is an amenable number.

2685786453 is a deficient number, since it is larger than the sum of its proper divisors (1747892875).

2685786453 is a wasteful number, since it uses less digits than its factorization.

2685786453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42631544 (or 42631541 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The square root of 2685786453 is about 51824.5738332695. The cubic root of 2685786453 is about 1390.0288890361.

The spelling of 2685786453 in words is "two billion, six hundred eighty-five million, seven hundred eighty-six thousand, four hundred fifty-three".