2550763219 has 4 divisors (see below), whose sum is σ = 2552630544. Its totient is φ = 2548895896.

The previous prime is 2550763211. The next prime is 2550763261. The reversal of 2550763219 is 9123670552.

It is a semiprime because it is the product of two primes.

It is a 3-Lehmer number, since φ(2550763219) divides (2550763219-1)³.

It is a cyclic number.

It is not a de Polignac number, because 2550763219 - 2³ = 2550763211 is a prime.

It is a super-2 number, since 2×2550763219² = 13012785998806483922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550763211) by changing a digit.

It is a nontrivial repunit in base 1366.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931612 + ... + 934345.

It is an arithmetic number, because the mean of its divisors is an integer number (638157636).

Almost surely, 2^2550763219 is an apocalyptic number.

2550763219 is a deficient number, since it is larger than the sum of its proper divisors (1867325).

2550763219 is a wasteful number, since it uses less digits than its factorization.

2550763219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867324.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 2550763219 is about 50505.0811206160. The cubic root of 2550763219 is about 1366.3334961069. Note that the first 3 decimals are identical.

The spelling of 2550763219 in words is "two billion, five hundred fifty million, seven hundred sixty-three thousand, two hundred nineteen".