2492661542 has 16 divisors (see below), whose sum is σ = 4273815840. Its totient is φ = 1068113088.

The previous prime is 2492661529. The next prime is 2492661553. The reversal of 2492661542 is 2451662942.

It is a self number, because there is not a number n which added to its sum of digits gives 2492661542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121184 + ... + 140252.

It is an arithmetic number, because the mean of its divisors is an integer number (267113490).

Almost surely, 2^2492661542 is an apocalyptic number.

2492661542 is a deficient number, since it is larger than the sum of its proper divisors (1781154298).

2492661542 is a wasteful number, since it uses less digits than its factorization.

2492661542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28415.

The product of its digits is 207360, while the sum is 41.

The square root of 2492661542 is about 49926.5614878493. The cubic root of 2492661542 is about 1355.8795308233.

It can be divided in two parts, 24926 and 61542, that added together give a palindrome (86468).

The spelling of 2492661542 in words is "two billion, four hundred ninety-two million, six hundred sixty-one thousand, five hundred forty-two".