2563311406 has 8 divisors (see below), whose sum is σ = 4012139664. Its totient is φ = 1225931520.

The previous prime is 2563311347. The next prime is 2563311407. The reversal of 2563311406 is 6041133652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563311407) 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, 27862035 + ... + 27862126.

It is an arithmetic number, because the mean of its divisors is an integer number (501517458).

Almost surely, 2^2563311406 is an apocalyptic number.

2563311406 is a deficient number, since it is larger than the sum of its proper divisors (1448828258).

2563311406 is a wasteful number, since it uses less digits than its factorization.

2563311406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55724186.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2563311406 is about 50629.1556911628. The cubic root of 2563311406 is about 1368.5703390997.

The spelling of 2563311406 in words is "two billion, five hundred sixty-three million, three hundred eleven thousand, four hundred six".