21341623527 has 32 divisors (see below), whose sum is σ = 36164636160. Its totient is φ = 12184862400.

The previous prime is 21341623519. The next prime is 21341623637. The reversal of 21341623527 is 72532614312.

21341623527 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 1 + 623 + 5 + 27 = 666.

It is not a de Polignac number, because 21341623527 - 2³ = 21341623519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21341623491 and 21341623500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21341623027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178152 + ... + 272802.

It is an arithmetic number, because the mean of its divisors is an integer number (1130144880).

Almost surely, 2^21341623527 is an apocalyptic number.

21341623527 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

21341623527 is a deficient number, since it is larger than the sum of its proper divisors (14823012633).

21341623527 is a wasteful number, since it uses less digits than its factorization.

21341623527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95860 (or 95854 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The spelling of 21341623527 in words is "twenty-one billion, three hundred forty-one million, six hundred twenty-three thousand, five hundred twenty-seven".