2542749053 has 8 divisors (see below), whose sum is σ = 2826679296. Its totient is φ = 2271438000.

The previous prime is 2542749047. The next prime is 2542749089. The reversal of 2542749053 is 3509472452.

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

It is not a de Polignac number, because 2542749053 - 2¹² = 2542744957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2542749053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542749553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3154373 + ... + 3155178.

It is an arithmetic number, because the mean of its divisors is an integer number (353334912).

Almost surely, 2^2542749053 is an apocalyptic number.

It is an amenable number.

2542749053 is a deficient number, since it is larger than the sum of its proper divisors (283930243).

2542749053 is a wasteful number, since it uses less digits than its factorization.

2542749053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309595.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 2542749053 is about 50425.6785080776. The cubic root of 2542749053 is about 1364.9010475393.

The spelling of 2542749053 in words is "two billion, five hundred forty-two million, seven hundred forty-nine thousand, fifty-three".