2563311434 has 4 divisors (see below), whose sum is σ = 3844967154. Its totient is φ = 1281655716.

The previous prime is 2563311433. The next prime is 2563311473. The reversal of 2563311434 is 4341133652.

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., 2081640625 + 481670809 = 45625^2 + 21947^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2563311434.

It is not an unprimeable number, because it can be changed into a prime (2563311433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640827857 + ... + 640827860.

Almost surely, 2^2563311434 is an apocalyptic number.

2563311434 is a deficient number, since it is larger than the sum of its proper divisors (1281655720).

2563311434 is a wasteful number, since it uses less digits than its factorization.

2563311434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281655719.

The product of its digits is 25920, while the sum is 32.

The square root of 2563311434 is about 50629.1559676833. The cubic root of 2563311434 is about 1368.5703440828.

The spelling of 2563311434 in words is "two billion, five hundred sixty-three million, three hundred eleven thousand, four hundred thirty-four".