2172020033719 has 2 divisors, whose sum is σ = 2172020033720. Its totient is φ = 2172020033718.

The previous prime is 2172020033653. The next prime is 2172020033723. The reversal of 2172020033719 is 9173300202712.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2172020033719 is a prime.

It is a super-2 number, since 2×2172020033719² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2172020033779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086010016859 + 1086010016860.

It is an arithmetic number, because the mean of its divisors is an integer number (1086010016860).

Almost surely, 2^{2172020033719} is an apocalyptic number.

2172020033719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172020033719 is an equidigital number, since it uses as much as digits as its factorization.

2172020033719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The spelling of 2172020033719 in words is "two trillion, one hundred seventy-two billion, twenty million, thirty-three thousand, seven hundred nineteen".