2543206364 has 6 divisors (see below), whose sum is σ = 4450611144. Its totient is φ = 1271603180.

The previous prime is 2543206357. The next prime is 2543206429. The reversal of 2543206364 is 4636023452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317900792 + ... + 317900799.

It is an arithmetic number, because the mean of its divisors is an integer number (741768524).

Almost surely, 2^2543206364 is an apocalyptic number.

It is an amenable number.

2543206364 is a deficient number, since it is larger than the sum of its proper divisors (1907404780).

2543206364 is a wasteful number, since it uses less digits than its factorization.

2543206364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635801595 (or 635801593 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 2543206364 is about 50430.2128093864. The cubic root of 2543206364 is about 1364.9828680197.

The spelling of 2543206364 in words is "two billion, five hundred forty-three million, two hundred six thousand, three hundred sixty-four".