21062307348 has 36 divisors (see below), whose sum is σ = 56042983360. Its totient is φ = 6651254736.

The previous prime is 21062307269. The next prime is 21062307373. The reversal of 21062307348 is 84370326012.

It is a happy number.

21062307348 is a `hidden beast` number, since 2 + 1 + 0 + 6 + 2 + 307 + 348 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×21062307348² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 15395740 + ... + 15397107.

Almost surely, 2^21062307348 is an apocalyptic number.

It is an amenable number.

21062307348 is an abundant number, since it is smaller than the sum of its proper divisors (34980676012).

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

21062307348 is a wasteful number, since it uses less digits than its factorization.

21062307348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30792876 (or 30792871 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 21062307348 in words is "twenty-one billion, sixty-two million, three hundred seven thousand, three hundred forty-eight".