2047622636 has 6 divisors (see below), whose sum is σ = 3583339620. Its totient is φ = 1023811316.

The previous prime is 2047622627. The next prime is 2047622641. The reversal of 2047622636 is 6362267402.

It is a self number, because there is not a number n which added to its sum of digits gives 2047622636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255952826 + ... + 255952833.

It is an arithmetic number, because the mean of its divisors is an integer number (597223270).

Almost surely, 2^2047622636 is an apocalyptic number.

It is an amenable number.

2047622636 is a deficient number, since it is larger than the sum of its proper divisors (1535716984).

2047622636 is a wasteful number, since it uses less digits than its factorization.

2047622636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511905663 (or 511905661 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 2047622636 is about 45250.6644813090. The cubic root of 2047622636 is about 1269.8428383445.

The spelling of 2047622636 in words is "two billion, forty-seven million, six hundred twenty-two thousand, six hundred thirty-six".