2493725861 has 8 divisors (see below), whose sum is σ = 2721281184. Its totient is φ = 2266312720.

The previous prime is 2493725833. The next prime is 2493725867. The reversal of 2493725861 is 1685273942.

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 2493725861 - 2⁶ = 2493725797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493725867) 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, 2951 + ... + 70683.

It is an arithmetic number, because the mean of its divisors is an integer number (340160148).

Almost surely, 2^2493725861 is an apocalyptic number.

It is an amenable number.

2493725861 is a deficient number, since it is larger than the sum of its proper divisors (227555323).

2493725861 is a wasteful number, since it uses less digits than its factorization.

2493725861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71091.

The product of its digits is 725760, while the sum is 47.

The square root of 2493725861 is about 49937.2191957061. The cubic root of 2493725861 is about 1356.0724816084.

The spelling of 2493725861 in words is "two billion, four hundred ninety-three million, seven hundred twenty-five thousand, eight hundred sixty-one".