2720434693919 has 8 divisors (see below), whose sum is σ = 2730287325168. Its totient is φ = 2710599274240.

The previous prime is 2720434693913. The next prime is 2720434693937. The reversal of 2720434693919 is 9193964340272.

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

It is a cyclic number.

It is not a de Polignac number, because 2720434693919 - 2²⁰ = 2720433645343 is a prime.

It is a super-2 number, since 2×2720434693919² (a number of 26 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 (2720434693913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3986162 + ... + 4618479.

It is an arithmetic number, because the mean of its divisors is an integer number (341285915646).

Almost surely, 2^{2720434693919} is an apocalyptic number.

2720434693919 is a deficient number, since it is larger than the sum of its proper divisors (9852631249).

2720434693919 is an equidigital number, since it uses as much as digits as its factorization.

2720434693919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605785.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 2720434693919 in words is "two trillion, seven hundred twenty billion, four hundred thirty-four million, six hundred ninety-three thousand, nine hundred nineteen".