26931529193216 has 36 divisors (see below), whose sum is σ = 53758293233400. Its totient is φ = 13465655350272.

The previous prime is 26931529193213. The next prime is 26931529193227. The reversal of 26931529193216 is 61239192513962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26931529193213) 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, 37899230 + ... + 38603298.

It is an arithmetic number, because the mean of its divisors is an integer number (1493285923150).

Almost surely, 2^{26931529193216} is an apocalyptic number.

It is an amenable number.

26931529193216 is a deficient number, since it is larger than the sum of its proper divisors (26826764040184).

26931529193216 is an equidigital number, since it uses as much as digits as its factorization.

26931529193216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853504 (or 853490 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 59.

The spelling of 26931529193216 in words is "twenty-six trillion, nine hundred thirty-one billion, five hundred twenty-nine million, one hundred ninety-three thousand, two hundred sixteen".