5643746477 has 8 divisors (see below), whose sum is σ = 5724580032. Its totient is φ = 5562950400.

The previous prime is 5643746399. The next prime is 5643746489. The reversal of 5643746477 is 7746473465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5643746477 - 2⁸ = 5643746221 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 (5643746177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460493 + ... + 472589.

It is an arithmetic number, because the mean of its divisors is an integer number (715572504).

Almost surely, 2^5643746477 is an apocalyptic number.

It is an amenable number.

5643746477 is a deficient number, since it is larger than the sum of its proper divisors (80833555).

5643746477 is a wasteful number, since it uses less digits than its factorization.

5643746477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18739.

The product of its digits is 11854080, while the sum is 53.

The square root of 5643746477 is about 75124.8725589601. The cubic root of 5643746477 is about 1780.4201420604.

The spelling of 5643746477 in words is "five billion, six hundred forty-three million, seven hundred forty-six thousand, four hundred seventy-seven".