2518990019 has 16 divisors (see below), whose sum is σ = 3102278592. Its totient is φ = 1991772288.

The previous prime is 2518990013. The next prime is 2518990027. The reversal of 2518990019 is 9100998152.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2518990019 - 2⁸ = 2518989763 is a prime.

It is a super-2 number, since 2×2518990019² = 12690621431643240722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2518990013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149717 + ... + 165689.

It is an arithmetic number, because the mean of its divisors is an integer number (193892412).

Almost surely, 2^2518990019 is an apocalyptic number.

2518990019 is a deficient number, since it is larger than the sum of its proper divisors (583288573).

2518990019 is a wasteful number, since it uses less digits than its factorization.

2518990019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17726.

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 2518990019 is about 50189.5409323496. The cubic root of 2518990019 is about 1360.6365998565.

The spelling of 2518990019 in words is "two billion, five hundred eighteen million, nine hundred ninety thousand, nineteen".