2083640815 has 4 divisors (see below), whose sum is σ = 2500368984. Its totient is φ = 1666912648.

The previous prime is 2083640761. The next prime is 2083640917. The reversal of 2083640815 is 5180463802.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5180463802 = 2 ⋅2590231901.

It is a cyclic number.

It is not a de Polignac number, because 2083640815 - 2²¹ = 2081543663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208364077 + ... + 208364086.

It is an arithmetic number, because the mean of its divisors is an integer number (625092246).

Almost surely, 2^2083640815 is an apocalyptic number.

2083640815 is a deficient number, since it is larger than the sum of its proper divisors (416728169).

2083640815 is an equidigital number, since it uses as much as digits as its factorization.

2083640815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416728168.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2083640815 is about 45646.9146273875. The cubic root of 2083640815 is about 1277.2452178587.

The spelling of 2083640815 in words is "two billion, eighty-three million, six hundred forty thousand, eight hundred fifteen".