2056672211719 has 4 divisors (see below), whose sum is σ = 2068035041800. Its totient is φ = 2045309381640.

The previous prime is 2056672211707. The next prime is 2056672211743. The reversal of 2056672211719 is 9171122766502.

It is a happy number.

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 2056672211719 - 2¹³ = 2056672203527 is a prime.

It is a super-2 number, since 2×2056672211719² (a number of 25 digits) 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 (2096672211719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5681414769 + ... + 5681415130.

It is an arithmetic number, because the mean of its divisors is an integer number (517008760450).

Almost surely, 2^{2056672211719} is an apocalyptic number.

2056672211719 is a deficient number, since it is larger than the sum of its proper divisors (11362830081).

2056672211719 is a wasteful number, since it uses less digits than its factorization.

2056672211719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362830080.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 2056672211719 in words is "two trillion, fifty-six billion, six hundred seventy-two million, two hundred eleven thousand, seven hundred nineteen".