2642774547 has 16 divisors (see below), whose sum is σ = 4027803392. Its totient is φ = 1509887520.

The previous prime is 2642774527. The next prime is 2642774549. The reversal of 2642774547 is 7454772462.

It is not a de Polignac number, because 2642774547 - 2⁸ = 2642774291 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2642774496 and 2642774505.

It is not an unprimeable number, because it can be changed into a prime (2642774549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222288 + ... + 233874.

It is an arithmetic number, because the mean of its divisors is an integer number (251737712).

Almost surely, 2^2642774547 is an apocalyptic number.

2642774547 is a deficient number, since it is larger than the sum of its proper divisors (1385028845).

2642774547 is a wasteful number, since it uses less digits than its factorization.

2642774547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22458.

The product of its digits is 2634240, while the sum is 48.

The square root of 2642774547 is about 51407.9229983083. The cubic root of 2642774547 is about 1382.5686505765.

The spelling of 2642774547 in words is "two billion, six hundred forty-two million, seven hundred seventy-four thousand, five hundred forty-seven".