2109371719 has 32 divisors (see below), whose sum is σ = 2716872704. Its totient is φ = 1592835840.

The previous prime is 2109371689. The next prime is 2109371729. The reversal of 2109371719 is 9171739012.

It is a cyclic number.

It is not a de Polignac number, because 2109371719 - 2¹⁵ = 2109338951 is a prime.

It is a super-2 number, since 2×2109371719² = 8898898097834029922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109371729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200812 + ... + 211054.

It is an arithmetic number, because the mean of its divisors is an integer number (84902272).

Almost surely, 2^2109371719 is an apocalyptic number.

2109371719 is a deficient number, since it is larger than the sum of its proper divisors (607500985).

2109371719 is a wasteful number, since it uses less digits than its factorization.

2109371719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10367.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 2109371719 is about 45927.8969581669. The cubic root of 2109371719 is about 1282.4812950672.

The spelling of 2109371719 in words is "two billion, one hundred nine million, three hundred seventy-one thousand, seven hundred nineteen".