2134641644 has 6 divisors (see below), whose sum is σ = 3735622884. Its totient is φ = 1067320820.

The previous prime is 2134641631. The next prime is 2134641673. The reversal of 2134641644 is 4461464312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266830202 + ... + 266830209.

It is an arithmetic number, because the mean of its divisors is an integer number (622603814).

Almost surely, 2^2134641644 is an apocalyptic number.

It is an amenable number.

2134641644 is a deficient number, since it is larger than the sum of its proper divisors (1600981240).

2134641644 is a wasteful number, since it uses less digits than its factorization.

2134641644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533660415 (or 533660413 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 2134641644 is about 46202.1822428335. The cubic root of 2134641644 is about 1287.5822840427.

The spelling of 2134641644 in words is "two billion, one hundred thirty-four million, six hundred forty-one thousand, six hundred forty-four".