2543764692 has 48 divisors (see below), whose sum is σ = 6786017280. Its totient is φ = 726506592.

The previous prime is 2543764651. The next prime is 2543764693. The reversal of 2543764692 is 2964673452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543764693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312409 + ... + 320447.

It is an arithmetic number, because the mean of its divisors is an integer number (141375360).

Almost surely, 2^2543764692 is an apocalyptic number.

It is an amenable number.

2543764692 is an abundant number, since it is smaller than the sum of its proper divisors (4242252588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543764692 is a wasteful number, since it uses less digits than its factorization.

2543764692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820 (or 11818 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 48.

The square root of 2543764692 is about 50435.7481554502. The cubic root of 2543764692 is about 1365.0827488109.

The spelling of 2543764692 in words is "two billion, five hundred forty-three million, seven hundred sixty-four thousand, six hundred ninety-two".