2541421667 has 4 divisors (see below), whose sum is σ = 2541590040. Its totient is φ = 2541253296.

The previous prime is 2541421661. The next prime is 2541421721. The reversal of 2541421667 is 7661241452.

It is a happy number.

2541421667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2541421667 - 2⁸ = 2541421411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2541421667.

It is not an unprimeable number, because it can be changed into a prime (2541421661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59042 + ... + 92567.

It is an arithmetic number, because the mean of its divisors is an integer number (635397510).

Almost surely, 2^2541421667 is an apocalyptic number.

2541421667 is a deficient number, since it is larger than the sum of its proper divisors (168373).

2541421667 is a wasteful number, since it uses less digits than its factorization.

2541421667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168372.

The product of its digits is 80640, while the sum is 38.

The square root of 2541421667 is about 50412.5149838807. The cubic root of 2541421667 is about 1364.6635007141.

The spelling of 2541421667 in words is "two billion, five hundred forty-one million, four hundred twenty-one thousand, six hundred sixty-seven".