2480820653279 has 4 divisors (see below), whose sum is σ = 2480843615376. Its totient is φ = 2480797691184.

The previous prime is 2480820653239. The next prime is 2480820653281. The reversal of 2480820653279 is 9723560280842.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2480820653279 is a prime.

It is a super-2 number, since 2×2480820653279² (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 (2480820653239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11318219 + ... + 11535324.

It is an arithmetic number, because the mean of its divisors is an integer number (620210903844).

Almost surely, 2^{2480820653279} is an apocalyptic number.

2480820653279 is a deficient number, since it is larger than the sum of its proper divisors (22962097).

2480820653279 is a wasteful number, since it uses less digits than its factorization.

2480820653279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22962096.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 2480820653279 in words is "two trillion, four hundred eighty billion, eight hundred twenty million, six hundred fifty-three thousand, two hundred seventy-nine".