2542647774 has 8 divisors (see below), whose sum is σ = 5085295560. Its totient is φ = 847549256.

The previous prime is 2542647763. The next prime is 2542647781. The reversal of 2542647774 is 4777462452.

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

2542647774 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211887309 + ... + 211887320.

It is an arithmetic number, because the mean of its divisors is an integer number (635661945).

Almost surely, 2^2542647774 is an apocalyptic number.

2542647774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2542647774 is a wasteful number, since it uses less digits than its factorization.

2542647774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423774634.

The product of its digits is 2634240, while the sum is 48.

The square root of 2542647774 is about 50424.6742577481. The cubic root of 2542647774 is about 1364.8829257289.

The spelling of 2542647774 in words is "two billion, five hundred forty-two million, six hundred forty-seven thousand, seven hundred seventy-four".