21301470504 has 64 divisors (see below), whose sum is σ = 59198817600. Its totient is φ = 7097122368.

The previous prime is 21301470469. The next prime is 21301470517. The reversal of 21301470504 is 40507410312.

21301470504 is a `hidden beast` number, since 2 + 13 + 0 + 147 + 0 + 504 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 455727 + ... + 500289.

It is an arithmetic number, because the mean of its divisors is an integer number (924981525).

Almost surely, 2^21301470504 is an apocalyptic number.

21301470504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21301470504 is an abundant number, since it is smaller than the sum of its proper divisors (37897347096).

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

21301470504 is a wasteful number, since it uses less digits than its factorization.

21301470504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46791 (or 46781 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 21301470504 its reverse (40507410312), we get a palindrome (61808880816).

The spelling of 21301470504 in words is "twenty-one billion, three hundred one million, four hundred seventy thousand, five hundred four".