2642109219 has 8 divisors (see below), whose sum is σ = 3914235920. Its totient is φ = 1761406128.

The previous prime is 2642109191. The next prime is 2642109229. The reversal of 2642109219 is 9129012462.

2642109219 is a `hidden beast` number, since 2 + 642 + 1 + 0 + 9 + 2 + 1 + 9 = 666.

It is not a de Polignac number, because 2642109219 - 2¹⁶ = 2642043683 is a prime.

It is a super-2 number, since 2×2642109219² = 13961482250249579922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642109229) 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, 48927922 + ... + 48927975.

It is an arithmetic number, because the mean of its divisors is an integer number (489279490).

Almost surely, 2^2642109219 is an apocalyptic number.

2642109219 is a deficient number, since it is larger than the sum of its proper divisors (1272126701).

2642109219 is an equidigital number, since it uses as much as digits as its factorization.

2642109219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97855906 (or 97855900 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2642109219 is about 51401.4515261972. The cubic root of 2642109219 is about 1382.4526186282.

The spelling of 2642109219 in words is "two billion, six hundred forty-two million, one hundred nine thousand, two hundred nineteen".