2630564842 has 4 divisors (see below), whose sum is σ = 3945847266. Its totient is φ = 1315282420.

The previous prime is 2630564813. The next prime is 2630564863. The reversal of 2630564842 is 2484650362.

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

It can be written as a sum of positive squares in only one way, i.e., 1597520961 + 1033043881 = 39969^2 + 32141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2630564795 and 2630564804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657641209 + ... + 657641212.

Almost surely, 2^2630564842 is an apocalyptic number.

2630564842 is a deficient number, since it is larger than the sum of its proper divisors (1315282424).

2630564842 is a wasteful number, since it uses less digits than its factorization.

2630564842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315282423.

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 2630564842 is about 51289.0323753529. The cubic root of 2630564842 is about 1380.4361923659.

The spelling of 2630564842 in words is "two billion, six hundred thirty million, five hundred sixty-four thousand, eight hundred forty-two".