5425548643 has 4 divisors (see below), whose sum is σ = 5453660488. Its totient is φ = 5397436800.

The previous prime is 5425548619. The next prime is 5425548647. The reversal of 5425548643 is 3468455245.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5425548643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5425548593 and 5425548602.

It is not an unprimeable number, because it can be changed into a prime (5425548647) 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, 14055633 + ... + 14056018.

It is an arithmetic number, because the mean of its divisors is an integer number (1363415122).

Almost surely, 2^5425548643 is an apocalyptic number.

5425548643 is a deficient number, since it is larger than the sum of its proper divisors (28111845).

5425548643 is a wasteful number, since it uses less digits than its factorization.

5425548643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28111844.

The product of its digits is 2304000, while the sum is 46.

The square root of 5425548643 is about 73658.3236504877. The cubic root of 5425548643 is about 1757.1731310387.

The spelling of 5425548643 in words is "five billion, four hundred twenty-five million, five hundred forty-eight thousand, six hundred forty-three".