21242077062 has 8 divisors (see below), whose sum is σ = 42484154136. Its totient is φ = 7080692352.

The previous prime is 21242077049. The next prime is 21242077091. The reversal of 21242077062 is 26077024212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

21242077062 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770173083 + ... + 1770173094.

It is an arithmetic number, because the mean of its divisors is an integer number (5310519267).

Almost surely, 2^21242077062 is an apocalyptic number.

21242077062 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21242077062 is a wasteful number, since it uses less digits than its factorization.

21242077062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540346182.

The product of its (nonzero) digits is 18816, while the sum is 33.

The spelling of 21242077062 in words is "twenty-one billion, two hundred forty-two million, seventy-seven thousand, sixty-two".