2493489844 has 12 divisors (see below), whose sum is σ = 4363957444. Its totient is φ = 1246644864.

The previous prime is 2493489811. The next prime is 2493489853. The reversal of 2493489844 is 4489843942.

It is a happy number.

2493489844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1983633444 + 509856400 = 44538^2 + 22580^2 .

It is a super-2 number, since 2×2493489844² = 12434983204262288672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80614 + ... + 107170.

Almost surely, 2^2493489844 is an apocalyptic number.

It is an amenable number.

2493489844 is a deficient number, since it is larger than the sum of its proper divisors (1870467600).

2493489844 is a wasteful number, since it uses less digits than its factorization.

2493489844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50034 (or 50032 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 55.

The square root of 2493489844 is about 49934.8560025960. The cubic root of 2493489844 is about 1356.0296987372.

The spelling of 2493489844 in words is "two billion, four hundred ninety-three million, four hundred eighty-nine thousand, eight hundred forty-four".