2513818493 has 8 divisors (see below), whose sum is σ = 2560771200. Its totient is φ = 2467143360.

The previous prime is 2513818471. The next prime is 2513818499. The reversal of 2513818493 is 3948183152.

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 2513818493 - 2⁶ = 2513818429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513818499) 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, 51068 + ... + 87381.

It is an arithmetic number, because the mean of its divisors is an integer number (320096400).

Almost surely, 2^2513818493 is an apocalyptic number.

It is an amenable number.

2513818493 is a deficient number, since it is larger than the sum of its proper divisors (46952707).

2513818493 is a wasteful number, since it uses less digits than its factorization.

2513818493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138787.

The product of its digits is 207360, while the sum is 44.

The square root of 2513818493 is about 50137.9945051654. The cubic root of 2513818493 is about 1359.7048258262.

The spelling of 2513818493 in words is "two billion, five hundred thirteen million, eight hundred eighteen thousand, four hundred ninety-three".