2609380673676 has 144 divisors (see below), whose sum is σ = 7657136637696. Its totient is φ = 733864240512.

The previous prime is 2609380673657. The next prime is 2609380673687. The reversal of 2609380673676 is 6763760839062.

It is a happy number.

2609380673676 is a `hidden beast` number, since 260 + 9 + 3 + 8 + 0 + 6 + 7 + 367 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3925155 + ... + 4541541.

It is an arithmetic number, because the mean of its divisors is an integer number (53174559984).

Almost surely, 2^{2609380673676} 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 2609380673676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3828568318848).

2609380673676 is an abundant number, since it is smaller than the sum of its proper divisors (5047755964020).

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

2609380673676 is a wasteful number, since it uses less digits than its factorization.

2609380673676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616668 (or 616663 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 63.

The spelling of 2609380673676 in words is "two trillion, six hundred nine billion, three hundred eighty million, six hundred seventy-three thousand, six hundred seventy-six".