2516444249 has 16 divisors (see below), whose sum is σ = 2872025856. Its totient is φ = 2184374400.

The previous prime is 2516444243. The next prime is 2516444257. The reversal of 2516444249 is 9424446152.

It is a cyclic number.

It is not a de Polignac number, because 2516444249 - 2⁴ = 2516444233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2516444243) 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 15 ways as a sum of consecutive naturals, for example, 38162 + ... + 80555.

It is an arithmetic number, because the mean of its divisors is an integer number (179501616).

Almost surely, 2^2516444249 is an apocalyptic number.

It is an amenable number.

2516444249 is a deficient number, since it is larger than the sum of its proper divisors (355581607).

2516444249 is a wasteful number, since it uses less digits than its factorization.

2516444249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118816.

The product of its digits is 276480, while the sum is 41.

The square root of 2516444249 is about 50164.1729623842. The cubic root of 2516444249 is about 1360.1780780728.

The spelling of 2516444249 in words is "two billion, five hundred sixteen million, four hundred forty-four thousand, two hundred forty-nine".