21470741244526 has 8 divisors (see below), whose sum is σ = 36806984990640. Its totient is φ = 9201746247648.

The previous prime is 21470741244503. The next prime is 21470741244527. The reversal of 21470741244526 is 62544214707412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21470741244526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21470741244527) 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, 766812187291 + ... + 766812187318.

It is an arithmetic number, because the mean of its divisors is an integer number (4600873123830).

Almost surely, 2^{21470741244526} is an apocalyptic number.

21470741244526 is a deficient number, since it is larger than the sum of its proper divisors (15336243746114).

21470741244526 is a wasteful number, since it uses less digits than its factorization.

21470741244526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533624374618.

The product of its (nonzero) digits is 3010560, while the sum is 49.

The spelling of 21470741244526 in words is "twenty-one trillion, four hundred seventy billion, seven hundred forty-one million, two hundred forty-four thousand, five hundred twenty-six".