2518772993 has 8 divisors (see below), whose sum is σ = 2751109056. Its totient is φ = 2286996400.

The previous prime is 2518772983. The next prime is 2518773001. The reversal of 2518772993 is 3992778152.

It is a happy number.

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 2518772993 - 2⁶ = 2518772929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2518772923) 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, 130421 + ... + 148482.

It is an arithmetic number, because the mean of its divisors is an integer number (343888632).

Almost surely, 2^2518772993 is an apocalyptic number.

It is an amenable number.

2518772993 is a deficient number, since it is larger than the sum of its proper divisors (232336063).

2518772993 is a wasteful number, since it uses less digits than its factorization.

2518772993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279735.

The product of its digits is 1905120, while the sum is 53.

The square root of 2518772993 is about 50187.3788217715. The cubic root of 2518772993 is about 1360.5975230840.

The spelling of 2518772993 in words is "two billion, five hundred eighteen million, seven hundred seventy-two thousand, nine hundred ninety-three".