2628794681479 has 4 divisors (see below), whose sum is σ = 2644922256376. Its totient is φ = 2612667106584.

The previous prime is 2628794681347. The next prime is 2628794681497. The reversal of 2628794681479 is 9741864978262.

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

It is a cyclic number.

It is not a de Polignac number, because 2628794681479 - 2³¹ = 2626647197831 is a prime.

It is a super-2 number, since 2×2628794681479² (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 (2628794781479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8063787204 + ... + 8063787529.

It is an arithmetic number, because the mean of its divisors is an integer number (661230564094).

Almost surely, 2^{2628794681479} is an apocalyptic number.

2628794681479 is a deficient number, since it is larger than the sum of its proper divisors (16127574897).

2628794681479 is a wasteful number, since it uses less digits than its factorization.

2628794681479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16127574896.

The product of its digits is 585252864, while the sum is 73.

The spelling of 2628794681479 in words is "two trillion, six hundred twenty-eight billion, seven hundred ninety-four million, six hundred eighty-one thousand, four hundred seventy-nine".