10013548216321 has 4 divisors (see below), whose sum is σ = 10783821156052. Its totient is φ = 9243275276592.

The previous prime is 10013548216277. The next prime is 10013548216327. The reversal of 10013548216321 is 12361284531001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1849842087921 + 8163706128400 = 1360089^2 + 2857220^2 .

It is a cyclic number.

It is not a de Polignac number, because 10013548216321 - 2⁷ = 10013548216193 is a prime.

It is a super-2 number, since 2×10013548216321² (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 (10013548216327) 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, 385136469846 + ... + 385136469871.

It is an arithmetic number, because the mean of its divisors is an integer number (2695955289013).

Almost surely, 2^{10013548216321} is an apocalyptic number.

It is an amenable number.

10013548216321 is a deficient number, since it is larger than the sum of its proper divisors (770272939731).

10013548216321 is an equidigital number, since it uses as much as digits as its factorization.

10013548216321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770272939730.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 10013548216321 in words is "ten trillion, thirteen billion, five hundred forty-eight million, two hundred sixteen thousand, three hundred twenty-one".