21322849950 has 36 divisors (see below), whose sum is σ = 57287391408. Its totient is φ = 5686093200.

The previous prime is 21322849927. The next prime is 21322850009. The reversal of 21322849950 is 5994822312.

21322849950 is a `hidden beast` number, since 2 + 132 + 28 + 499 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 21322849896 and 21322849905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23691606 + ... + 23692505.

It is an arithmetic number, because the mean of its divisors is an integer number (1591316428).

Almost surely, 2^21322849950 is an apocalyptic number.

21322849950 is an abundant number, since it is smaller than the sum of its proper divisors (35964541458).

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

21322849950 is a wasteful number, since it uses less digits than its factorization.

21322849950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47384129 (or 47384121 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 21322849950 in words is "twenty-one billion, three hundred twenty-two million, eight hundred forty-nine thousand, nine hundred fifty".