2643077638712 has 64 divisors (see below), whose sum is σ = 5835760465920. Its totient is φ = 1098542487168.

The previous prime is 2643077638703. The next prime is 2643077638753. The reversal of 2643077638712 is 2178367703462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1441448 + ... + 2713655.

It is an arithmetic number, because the mean of its divisors is an integer number (91183757280).

Almost surely, 2^{2643077638712} is an apocalyptic number.

It is an amenable number.

2643077638712 is an abundant number, since it is smaller than the sum of its proper divisors (3192682827208).

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

2643077638712 is a wasteful number, since it uses less digits than its factorization.

2643077638712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155460 (or 4155456 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 2643077638712 in words is "two trillion, six hundred forty-three billion, seventy-seven million, six hundred thirty-eight thousand, seven hundred twelve".