2492491543 has 8 divisors (see below), whose sum is σ = 2592539136. Its totient is φ = 2393671800.

The previous prime is 2492491523. The next prime is 2492491609. The reversal of 2492491543 is 3451942942.

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 2492491543 - 2⁹ = 2492491031 is a prime.

It is a super-3 number, since 3×2492491543³ (a number of 29 digits) contains 333 as substring.

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 2492491543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492491523) 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, 302821 + ... + 310942.

It is an arithmetic number, because the mean of its divisors is an integer number (324067392).

Almost surely, 2^2492491543 is an apocalyptic number.

2492491543 is a deficient number, since it is larger than the sum of its proper divisors (100047593).

2492491543 is a wasteful number, since it uses less digits than its factorization.

2492491543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613925.

The product of its digits is 311040, while the sum is 43.

The square root of 2492491543 is about 49924.8589682535. The cubic root of 2492491543 is about 1355.8487065550.

The spelling of 2492491543 in words is "two billion, four hundred ninety-two million, four hundred ninety-one thousand, five hundred forty-three".