5634778549 has 8 divisors (see below), whose sum is σ = 5656030848. Its totient is φ = 5613546960.

The previous prime is 5634778547. The next prime is 5634778553. The reversal of 5634778549 is 9458774365.

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 5634778549 - 2¹ = 5634778547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5634778493 and 5634778502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5634778547) 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, 729184 + ... + 736870.

It is an arithmetic number, because the mean of its divisors is an integer number (707003856).

Almost surely, 2^5634778549 is an apocalyptic number.

It is an amenable number.

5634778549 is a deficient number, since it is larger than the sum of its proper divisors (21252299).

5634778549 is a wasteful number, since it uses less digits than its factorization.

5634778549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10355.

The product of its digits is 25401600, while the sum is 58.

The square root of 5634778549 is about 75065.1620194082. The cubic root of 5634778549 is about 1779.4766113629.

The spelling of 5634778549 in words is "five billion, six hundred thirty-four million, seven hundred seventy-eight thousand, five hundred forty-nine".