21294093150 has 72 divisors (see below), whose sum is σ = 62411065704. Its totient is φ = 5162203200.

The previous prime is 21294093143. The next prime is 21294093181. The reversal of 21294093150 is 5139049212.

21294093150 is a `hidden beast` number, since 212 + 9 + 409 + 31 + 5 + 0 = 666.

It is a congruent number.

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 in 35 ways as a sum of consecutive naturals, for example, 2145969 + ... + 2155868.

It is an arithmetic number, because the mean of its divisors is an integer number (866820357).

Almost surely, 2^21294093150 is an apocalyptic number.

21294093150 is an abundant number, since it is smaller than the sum of its proper divisors (41116972554).

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

21294093150 is a wasteful number, since it uses less digits than its factorization.

21294093150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301866 (or 4301858 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 21294093150 in words is "twenty-one billion, two hundred ninety-four million, ninety-three thousand, one hundred fifty".