2542663733 has 8 divisors (see below), whose sum is σ = 2686369920. Its totient is φ = 2399945760.

The previous prime is 2542663727. The next prime is 2542663843. The reversal of 2542663733 is 3373662452.

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

It is a cyclic number.

It is not a de Polignac number, because 2542663733 - 2²⁸ = 2274228277 is a prime.

It is a super-2 number, since 2×2542663733² = 12930277718226990578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542665733) 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, 241760 + ... + 252057.

It is an arithmetic number, because the mean of its divisors is an integer number (335796240).

Almost surely, 2^2542663733 is an apocalyptic number.

It is an amenable number.

2542663733 is a deficient number, since it is larger than the sum of its proper divisors (143706187).

2542663733 is a wasteful number, since it uses less digits than its factorization.

2542663733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494107.

The product of its digits is 544320, while the sum is 41.

The square root of 2542663733 is about 50424.8325034402. The cubic root of 2542663733 is about 1364.8857812983.

The spelling of 2542663733 in words is "two billion, five hundred forty-two million, six hundred sixty-three thousand, seven hundred thirty-three".