2602671677681 has 8 divisors (see below), whose sum is σ = 2608918593600. Its totient is φ = 2596426209360.

The previous prime is 2602671677623. The next prime is 2602671677687. The reversal of 2602671677681 is 1867761762062.

It is a happy number.

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-2602671677681 is a prime.

It is a super-2 number, since 2×2602671677681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2602671677681.

It is not an unprimeable number, because it can be changed into a prime (2602671677687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3282215 + ... + 3997283.

It is an arithmetic number, because the mean of its divisors is an integer number (326114824200).

Almost surely, 2^{2602671677681} is an apocalyptic number.

It is an amenable number.

2602671677681 is a deficient number, since it is larger than the sum of its proper divisors (6246915919).

2602671677681 is an equidigital number, since it uses as much as digits as its factorization.

2602671677681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723799.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 2602671677681 in words is "two trillion, six hundred two billion, six hundred seventy-one million, six hundred seventy-seven thousand, six hundred eighty-one".