2518149049 has 8 divisors (see below), whose sum is σ = 2712863552. Its totient is φ = 2323578960.

The previous prime is 2518149037. The next prime is 2518149077. The reversal of 2518149049 is 9409418152.

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 2518149049 - 2⁵ = 2518149017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2518148996 and 2518149014.

It is not an unprimeable number, because it can be changed into a prime (2518149349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582 + ... + 70984.

It is an arithmetic number, because the mean of its divisors is an integer number (339107944).

Almost surely, 2^2518149049 is an apocalyptic number.

It is an amenable number.

2518149049 is a deficient number, since it is larger than the sum of its proper divisors (194714503).

2518149049 is a wasteful number, since it uses less digits than its factorization.

2518149049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72207.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 2518149049 is about 50181.1622922387. The cubic root of 2518149049 is about 1360.4851658937.

The spelling of 2518149049 in words is "two billion, five hundred eighteen million, one hundred forty-nine thousand, forty-nine".