2119772815 has 8 divisors (see below), whose sum is σ = 2546196048. Its totient is φ = 1694172480.

The previous prime is 2119772807. The next prime is 2119772819. The reversal of 2119772815 is 5182779112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2119772815 - 2³ = 2119772807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119772819) 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, 200041 + ... + 210370.

It is an arithmetic number, because the mean of its divisors is an integer number (318274506).

Almost surely, 2^2119772815 is an apocalyptic number.

2119772815 is a deficient number, since it is larger than the sum of its proper divisors (426423233).

2119772815 is a wasteful number, since it uses less digits than its factorization.

2119772815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411449.

The product of its digits is 70560, while the sum is 43.

The square root of 2119772815 is about 46040.9905953380. The cubic root of 2119772815 is about 1284.5857678589.

The spelling of 2119772815 in words is "two billion, one hundred nineteen million, seven hundred seventy-two thousand, eight hundred fifteen".