2646734376462 has 96 divisors (see below), whose sum is σ = 6057559356576. Its totient is φ = 769673456640.

The previous prime is 2646734376413. The next prime is 2646734376469.

2646734376462 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2646734376396 and 2646734376405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646734376469) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1286058 + ... + 2635794.

It is an arithmetic number, because the mean of its divisors is an integer number (63099576631).

Almost surely, 2^{2646734376462} is an apocalyptic number.

2646734376462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2646734376462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3028779678288).

2646734376462 is an abundant number, since it is smaller than the sum of its proper divisors (3410824980114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2646734376462 is a wasteful number, since it uses less digits than its factorization.

2646734376462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349874 (or 1349863 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 60.

The spelling of 2646734376462 in words is "two trillion, six hundred forty-six billion, seven hundred thirty-four million, three hundred seventy-six thousand, four hundred sixty-two".