2541684399 has 16 divisors (see below), whose sum is σ = 3589413120. Its totient is φ = 1594270080.

The previous prime is 2541684373. The next prime is 2541684403. The reversal of 2541684399 is 9934861452.

It is not a de Polignac number, because 2541684399 - 2¹⁵ = 2541651631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541684599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209892 + ... + 221670.

It is an arithmetic number, because the mean of its divisors is an integer number (224338320).

Almost surely, 2^2541684399 is an apocalyptic number.

2541684399 is a deficient number, since it is larger than the sum of its proper divisors (1047728721).

2541684399 is a wasteful number, since it uses less digits than its factorization.

2541684399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16030.

The product of its digits is 1866240, while the sum is 51.

The square root of 2541684399 is about 50415.1207377311. The cubic root of 2541684399 is about 1364.7105253671.

The spelling of 2541684399 in words is "two billion, five hundred forty-one million, six hundred eighty-four thousand, three hundred ninety-nine".