2645718477696 has 512 divisors, whose sum is σ = 9590124211200. Its totient is φ = 700827697152.

The previous prime is 2645718477653. The next prime is 2645718477707. The reversal of 2645718477696 is 6967748175462.

2645718477696 is a `hidden beast` number, since 2 + 6 + 4 + 57 + 18 + 477 + 6 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27506680 + ... + 27602696.

It is an arithmetic number, because the mean of its divisors is an integer number (18730711350).

Almost surely, 2^{2645718477696} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2645718477696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4795062105600).

2645718477696 is an abundant number, since it is smaller than the sum of its proper divisors (6944405733504).

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

2645718477696 is a wasteful number, since it uses less digits than its factorization.

2645718477696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96131 (or 96113 counting only the distinct ones).

The product of its digits is 853493760, while the sum is 72.

The spelling of 2645718477696 in words is "two trillion, six hundred forty-five billion, seven hundred eighteen million, four hundred seventy-seven thousand, six hundred ninety-six".