21602474061013 has 16 divisors (see below), whose sum is σ = 22261050201600. Its totient is φ = 20954359745280.

The previous prime is 21602474060969. The next prime is 21602474061017. The reversal of 21602474061013 is 31016047420612.

It is a cyclic number.

It is not a de Polignac number, because 21602474061013 - 2¹⁷ = 21602473929941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21602474061017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371645 + ... + 6714637.

It is an arithmetic number, because the mean of its divisors is an integer number (1391315637600).

Almost surely, 2^{21602474061013} is an apocalyptic number.

It is an amenable number.

21602474061013 is a deficient number, since it is larger than the sum of its proper divisors (658576140587).

21602474061013 is an equidigital number, since it uses as much as digits as its factorization.

21602474061013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343972.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 21602474061013 in words is "twenty-one trillion, six hundred two billion, four hundred seventy-four million, sixty-one thousand, thirteen".