1720229124719 has 6 divisors (see below), whose sum is σ = 2001082859424. Its totient is φ = 1474482106860.

The previous prime is 1720229124707. The next prime is 1720229124727. The reversal of 1720229124719 is 9174219220271.

It is not a de Polignac number, because 1720229124719 - 2⁴ = 1720229124703 is a prime.

It is a super-2 number, since 2×1720229124719² (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 (1720229121719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17553358367 + ... + 17553358464.

It is an arithmetic number, because the mean of its divisors is an integer number (333513809904).

Almost surely, 2^{1720229124719} is an apocalyptic number.

1720229124719 is a deficient number, since it is larger than the sum of its proper divisors (280853734705).

1720229124719 is an equidigital number, since it uses as much as digits as its factorization.

1720229124719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35106716845 (or 35106716838 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 1720229124719 in words is "one trillion, seven hundred twenty billion, two hundred twenty-nine million, one hundred twenty-four thousand, seven hundred nineteen".