2543764654 has 16 divisors (see below), whose sum is σ = 3844245600. Its totient is φ = 1262363040.

The previous prime is 2543764651. The next prime is 2543764693. The reversal of 2543764654 is 4564673452.

It is a super-2 number, since 2×2543764654² = 12941477229879479432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543764651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516367 + ... + 521269.

It is an arithmetic number, because the mean of its divisors is an integer number (240265350).

Almost surely, 2^2543764654 is an apocalyptic number.

2543764654 is a deficient number, since it is larger than the sum of its proper divisors (1300480946).

2543764654 is a wasteful number, since it uses less digits than its factorization.

2543764654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6795.

The product of its digits is 2419200, while the sum is 46.

The square root of 2543764654 is about 50435.7477787333. The cubic root of 2543764654 is about 1365.0827420135.

The spelling of 2543764654 in words is "two billion, five hundred forty-three million, seven hundred sixty-four thousand, six hundred fifty-four".