13021552334 has 48 divisors (see below), whose sum is σ = 23554087200. Its totient is φ = 5376926016.

The previous prime is 13021552333. The next prime is 13021552451. The reversal of 13021552334 is 43325512031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 13021552297 and 13021552306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021552333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1424972 + ... + 1434080.

It is an arithmetic number, because the mean of its divisors is an integer number (490710150).

Almost surely, 2^13021552334 is an apocalyptic number.

13021552334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13021552334 is a deficient number, since it is larger than the sum of its proper divisors (10532534866).

13021552334 is a wasteful number, since it uses less digits than its factorization.

13021552334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9657 (or 9650 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 13021552334 in words is "thirteen billion, twenty-one million, five hundred fifty-two thousand, three hundred thirty-four".