21470013263513 has 8 divisors (see below), whose sum is σ = 21606635155200. Its totient is φ = 21333678696000.

The previous prime is 21470013263473. The next prime is 21470013263557. The reversal of 21470013263513 is 31536231007412.

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

It is a cyclic number.

It is not a de Polignac number, because 21470013263513 - 2⁶ = 21470013263449 is a prime.

It is a super-2 number, since 2×21470013263513² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21470313263513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71681120 + ... + 71980017.

It is an arithmetic number, because the mean of its divisors is an integer number (2700829394400).

Almost surely, 2^{21470013263513} is an apocalyptic number.

It is an amenable number.

21470013263513 is a deficient number, since it is larger than the sum of its proper divisors (136621891687).

21470013263513 is a wasteful number, since it uses less digits than its factorization.

21470013263513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143662087.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 21470013263513 in words is "twenty-one trillion, four hundred seventy billion, thirteen million, two hundred sixty-three thousand, five hundred thirteen".