13029838218971 has 4 divisors (see below), whose sum is σ = 14891243678832. Its totient is φ = 11168432759112.

The previous prime is 13029838218911. The next prime is 13029838218983. The reversal of 13029838218971 is 17981283892031.

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

It is a cyclic number.

It is not a de Polignac number, because 13029838218971 - 2⁶ = 13029838218907 is a prime.

It is a super-2 number, since 2×13029838218971² (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 (13029838218911) 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, 930702729920 + ... + 930702729933.

It is an arithmetic number, because the mean of its divisors is an integer number (3722810919708).

Almost surely, 2^{13029838218971} is an apocalyptic number.

13029838218971 is a deficient number, since it is larger than the sum of its proper divisors (1861405459861).

13029838218971 is an equidigital number, since it uses as much as digits as its factorization.

13029838218971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861405459860.

The product of its (nonzero) digits is 10450944, while the sum is 62.

The spelling of 13029838218971 in words is "thirteen trillion, twenty-nine billion, eight hundred thirty-eight million, two hundred eighteen thousand, nine hundred seventy-one".