215364234884 has 6 divisors (see below), whose sum is σ = 376887411054. Its totient is φ = 107682117440.

The previous prime is 215364234863. The next prime is 215364234907. The reversal of 215364234884 is 488432463512.

It can be written as a sum of positive squares in only one way, i.e., 205716673600 + 9647561284 = 453560^2 + 98222^2 .

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, 26920529357 + ... + 26920529364.

It is an arithmetic number, because the mean of its divisors is an integer number (62814568509).

Almost surely, 2^215364234884 is an apocalyptic number.

It is an amenable number.

215364234884 is a deficient number, since it is larger than the sum of its proper divisors (161523176170).

215364234884 is a wasteful number, since it uses less digits than its factorization.

215364234884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53841058725 (or 53841058723 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 50.

The spelling of 215364234884 in words is "two hundred fifteen billion, three hundred sixty-four million, two hundred thirty-four thousand, eight hundred eighty-four".