2645136119 has 4 divisors (see below), whose sum is σ = 2648497944. Its totient is φ = 2641774296.

The previous prime is 2645136103. The next prime is 2645136121. The reversal of 2645136119 is 9116315462.

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

It is a cyclic number.

It is not a de Polignac number, because 2645136119 - 2⁴ = 2645136103 is a prime.

It is a super-2 number, since 2×2645136119² = 13993490176076764322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645136419) 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 3 ways as a sum of consecutive naturals, for example, 1679732 + ... + 1681305.

It is an arithmetic number, because the mean of its divisors is an integer number (662124486).

Almost surely, 2^2645136119 is an apocalyptic number.

2645136119 is a deficient number, since it is larger than the sum of its proper divisors (3361825).

2645136119 is an equidigital number, since it uses as much as digits as its factorization.

2645136119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361824.

The product of its digits is 38880, while the sum is 38.

The square root of 2645136119 is about 51430.8868191090. The cubic root of 2645136119 is about 1382.9803471095.

The spelling of 2645136119 in words is "two billion, six hundred forty-five million, one hundred thirty-six thousand, one hundred nineteen".