2493909870 has 32 divisors (see below), whose sum is σ = 6131371680. Its totient is φ = 648821760.

The previous prime is 2493909833. The next prime is 2493909871. The reversal of 2493909870 is 789093942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493909871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012555 + ... + 1015014.

It is an arithmetic number, because the mean of its divisors is an integer number (191605365).

Almost surely, 2^2493909870 is an apocalyptic number.

2493909870 is an abundant number, since it is smaller than the sum of its proper divisors (3637461810).

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

2493909870 is a wasteful number, since it uses less digits than its factorization.

2493909870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027620.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 2493909870 is about 49939.0615650715. The cubic root of 2493909870 is about 1356.1058351014.

The spelling of 2493909870 in words is "two billion, four hundred ninety-three million, nine hundred nine thousand, eight hundred seventy".