2492021982 has 8 divisors (see below), whose sum is σ = 4984043976. Its totient is φ = 830673992.

The previous prime is 2492021981. The next prime is 2492022023. The reversal of 2492021982 is 2891202942.

2492021982 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2492021982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2492021982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492021981) 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, 207668493 + ... + 207668504.

It is an arithmetic number, because the mean of its divisors is an integer number (623005497).

Almost surely, 2^2492021982 is an apocalyptic number.

2492021982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2492021982 is a wasteful number, since it uses less digits than its factorization.

2492021982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415337002.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2492021982 is about 49920.1560694676. The cubic root of 2492021982 is about 1355.7635583345.

The spelling of 2492021982 in words is "two billion, four hundred ninety-two million, twenty-one thousand, nine hundred eighty-two".