2541850018 has 4 divisors (see below), whose sum is σ = 3812775030. Its totient is φ = 1270925008.

The previous prime is 2541850007. The next prime is 2541850033. The reversal of 2541850018 is 8100581452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1861318449 + 680531569 = 43143^2 + 26087^2 .

It is a super-2 number, since 2×2541850018² = 12922003028013200648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635462503 + ... + 635462506.

Almost surely, 2^2541850018 is an apocalyptic number.

2541850018 is a deficient number, since it is larger than the sum of its proper divisors (1270925012).

2541850018 is a wasteful number, since it uses less digits than its factorization.

2541850018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270925011.

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 2541850018 is about 50416.7632638193. The cubic root of 2541850018 is about 1364.7401667450.

The spelling of 2541850018 in words is "two billion, five hundred forty-one million, eight hundred fifty thousand, eighteen".