2546078646427 has 8 divisors (see below), whose sum is σ = 2559450042464. Its totient is φ = 2532709099008.

The previous prime is 2546078646407. The next prime is 2546078646439. The reversal of 2546078646427 is 7246468706452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2546078646427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2546078646407) 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 7 ways as a sum of consecutive naturals, for example, 2344273 + ... + 3253885.

It is an arithmetic number, because the mean of its divisors is an integer number (319931255308).

Almost surely, 2^{2546078646427} is an apocalyptic number.

2546078646427 is a deficient number, since it is larger than the sum of its proper divisors (13371396037).

2546078646427 is a wasteful number, since it uses less digits than its factorization.

2546078646427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924309.

The product of its (nonzero) digits is 108380160, while the sum is 61.

The spelling of 2546078646427 in words is "two trillion, five hundred forty-six billion, seventy-eight million, six hundred forty-six thousand, four hundred twenty-seven".