21430147062 has 24 divisors (see below), whose sum is σ = 45529797096. Its totient is φ = 6723182848.

The previous prime is 21430147049. The next prime is 21430147111. The reversal of 21430147062 is 26074103412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6177663 + ... + 6181130.

It is an arithmetic number, because the mean of its divisors is an integer number (1897074879).

Almost surely, 2^21430147062 is an apocalyptic number.

21430147062 is an abundant number, since it is smaller than the sum of its proper divisors (24099650034).

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

21430147062 is a wasteful number, since it uses less digits than its factorization.

21430147062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12358832 (or 12358815 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 21430147062 in words is "twenty-one billion, four hundred thirty million, one hundred forty-seven thousand, sixty-two".