2644306177364 has 6 divisors (see below), whose sum is σ = 4627535810394. Its totient is φ = 1322153088680.

The previous prime is 2644306177309. The next prime is 2644306177453. The reversal of 2644306177364 is 4637716034462.

It can be written as a sum of positive squares in only one way, i.e., 2635563927364 + 8742250000 = 1623442^2 + 93500^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330538272167 + ... + 330538272174.

It is an arithmetic number, because the mean of its divisors is an integer number (771255968399).

Almost surely, 2^{2644306177364} is an apocalyptic number.

It is an amenable number.

2644306177364 is a deficient number, since it is larger than the sum of its proper divisors (1983229633030).

2644306177364 is a wasteful number, since it uses less digits than its factorization.

2644306177364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661076544345 (or 661076544343 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 53.

The spelling of 2644306177364 in words is "two trillion, six hundred forty-four billion, three hundred six million, one hundred seventy-seven thousand, three hundred sixty-four".