5665263451 has 4 divisors (see below), whose sum is σ = 5702781904. Its totient is φ = 5627745000.

The previous prime is 5665263427. The next prime is 5665263467. The reversal of 5665263451 is 1543625665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1543625665 = 5 ⋅308725133.

It is a cyclic number.

It is not a de Polignac number, because 5665263451 - 2²³ = 5656874843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5665263398 and 5665263407.

It is not an unprimeable number, because it can be changed into a prime (5665263491) 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, 18759000 + ... + 18759301.

It is an arithmetic number, because the mean of its divisors is an integer number (1425695476).

Almost surely, 2^5665263451 is an apocalyptic number.

5665263451 is a deficient number, since it is larger than the sum of its proper divisors (37518453).

5665263451 is a wasteful number, since it uses less digits than its factorization.

5665263451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37518452.

The product of its digits is 648000, while the sum is 43.

The square root of 5665263451 is about 75267.9443787327. The cubic root of 5665263451 is about 1782.6799099770.

The spelling of 5665263451 in words is "five billion, six hundred sixty-five million, two hundred sixty-three thousand, four hundred fifty-one".