2720385863575 has 24 divisors (see below), whose sum is σ = 3499010837168. Its totient is φ = 2096577665280.

The previous prime is 2720385863567. The next prime is 2720385863609. The reversal of 2720385863575 is 5753685830272.

It is not a de Polignac number, because 2720385863575 - 2³ = 2720385863567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17254344 + ... + 17411293.

Almost surely, 2^{2720385863575} is an apocalyptic number.

2720385863575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2720385863575 is a deficient number, since it is larger than the sum of its proper divisors (778624973593).

2720385863575 is a wasteful number, since it uses less digits than its factorization.

2720385863575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34665763 (or 34665758 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 61.

The spelling of 2720385863575 in words is "two trillion, seven hundred twenty billion, three hundred eighty-five million, eight hundred sixty-three thousand, five hundred seventy-five".