2720718920315 has 8 divisors (see below), whose sum is σ = 3561668404848. Its totient is φ = 1978704669280.

The previous prime is 2720718920273. The next prime is 2720718920317. The reversal of 2720718920315 is 5130298170272.

It is a happy number.

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

It is not a de Polignac number, because 2720718920315 - 2¹⁰ = 2720718919291 is a prime.

It is a super-2 number, since 2×2720718920315² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2720718920315.

It is not an unprimeable number, because it can be changed into a prime (2720718920317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24733808312 + ... + 24733808421.

It is an arithmetic number, because the mean of its divisors is an integer number (445208550606).

Almost surely, 2^{2720718920315} is an apocalyptic number.

2720718920315 is a deficient number, since it is larger than the sum of its proper divisors (840949484533).

2720718920315 is a wasteful number, since it uses less digits than its factorization.

2720718920315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49467616749.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 2720718920315 in words is "two trillion, seven hundred twenty billion, seven hundred eighteen million, nine hundred twenty thousand, three hundred fifteen".