2541643458 has 16 divisors (see below), whose sum is σ = 5147633280. Its totient is φ = 836490096.

The previous prime is 2541643387. The next prime is 2541643501. The reversal of 2541643458 is 8543461452.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2680585 + ... + 2681532.

It is an arithmetic number, because the mean of its divisors is an integer number (321727080).

Almost surely, 2^2541643458 is an apocalyptic number.

2541643458 is an abundant number, since it is smaller than the sum of its proper divisors (2605989822).

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

2541643458 is a wasteful number, since it uses less digits than its factorization.

2541643458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362201.

The product of its digits is 460800, while the sum is 42.

The square root of 2541643458 is about 50414.7146971993. The cubic root of 2541643458 is about 1364.7031978230.

The spelling of 2541643458 in words is "two billion, five hundred forty-one million, six hundred forty-three thousand, four hundred fifty-eight".