2492321818 has 32 divisors (see below), whose sum is σ = 4420297728. Its totient is φ = 1031356800.

The previous prime is 2492321807. The next prime is 2492321831. The reversal of 2492321818 is 8181232942.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193846 + ... + 206302.

It is an arithmetic number, because the mean of its divisors is an integer number (138134304).

Almost surely, 2^2492321818 is an apocalyptic number.

2492321818 is a deficient number, since it is larger than the sum of its proper divisors (1927975910).

2492321818 is a wasteful number, since it uses less digits than its factorization.

2492321818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12958.

The product of its digits is 55296, while the sum is 40.

The square root of 2492321818 is about 49923.1591348144. The cubic root of 2492321818 is about 1355.8179305702.

The spelling of 2492321818 in words is "two billion, four hundred ninety-two million, three hundred twenty-one thousand, eight hundred eighteen".