2491813059 has 8 divisors (see below), whose sum is σ = 3351819792. Its totient is φ = 1646507520.

The previous prime is 2491813033. The next prime is 2491813061. The reversal of 2491813059 is 9503181942.

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

It is not a de Polignac number, because 2491813059 - 2¹³ = 2491804867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2491813059.

It is not an unprimeable number, because it can be changed into a prime (2491813459) 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, 3674902 + ... + 3675579.

It is an arithmetic number, because the mean of its divisors is an integer number (418977474).

Almost surely, 2^2491813059 is an apocalyptic number.

2491813059 is a deficient number, since it is larger than the sum of its proper divisors (860006733).

2491813059 is a wasteful number, since it uses less digits than its factorization.

2491813059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350597.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 2491813059 is about 49918.0634540243. The cubic root of 2491813059 is about 1355.7256696765.

The spelling of 2491813059 in words is "two billion, four hundred ninety-one million, eight hundred thirteen thousand, fifty-nine".