2493910805 has 8 divisors (see below), whose sum is σ = 2993203800. Its totient is φ = 1994788096.

The previous prime is 2493910801. The next prime is 2493910823. The reversal of 2493910805 is 5080193942.

It can be written as a sum of positive squares in 4 ways, for example, as 14070001 + 2479840804 = 3751^2 + 49798^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2493910805 - 2² = 2493910801 is a prime.

It is a super-3 number, since 3×2493910805³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493910801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7760 + ... + 71049.

It is an arithmetic number, because the mean of its divisors is an integer number (374150475).

Almost surely, 2^2493910805 is an apocalyptic number.

It is an amenable number.

2493910805 is a deficient number, since it is larger than the sum of its proper divisors (499292995).

2493910805 is an equidigital number, since it uses as much as digits as its factorization.

2493910805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85143.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2493910805 is about 49939.0709264800. The cubic root of 2493910805 is about 1356.1060045754.

The spelling of 2493910805 in words is "two billion, four hundred ninety-three million, nine hundred ten thousand, eight hundred five".