21482504942 has 8 divisors (see below), whose sum is σ = 33624790416. Its totient is φ = 10274241472.

The previous prime is 21482504941. The next prime is 21482504947. The reversal of 21482504942 is 24940528412.

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

It is a super-2 number, since 2×21482504942² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21482504942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21482504941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233505443 + ... + 233505534.

It is an arithmetic number, because the mean of its divisors is an integer number (4203098802).

Almost surely, 2^21482504942 is an apocalyptic number.

21482504942 is a deficient number, since it is larger than the sum of its proper divisors (12142285474).

21482504942 is a wasteful number, since it uses less digits than its factorization.

21482504942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467011002.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 21482504942 in words is "twenty-one billion, four hundred eighty-two million, five hundred four thousand, nine hundred forty-two".