4356321013 has 12 divisors (see below), whose sum is σ = 4899715744. Its totient is φ = 3868187400.

The previous prime is 4356321001. The next prime is 4356321019. The reversal of 4356321013 is 3101236534.

It is not a de Polignac number, because 4356321013 - 2²⁹ = 3819450101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4356321019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413433 + ... + 423838.

Almost surely, 2^4356321013 is an apocalyptic number.

4356321013 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4356321013 is a deficient number, since it is larger than the sum of its proper divisors (543394731).

4356321013 is a wasteful number, since it uses less digits than its factorization.

4356321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837336 (or 837325 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 4356321013 is about 66002.4318718636. The cubic root of 4356321013 is about 1633.2022077667.

Adding to 4356321013 its reverse (3101236534), we get a palindrome (7457557547).

It can be divided in two parts, 435632 and 1013, that added together give a triangular number (436645 = T₉₃₄).

The spelling of 4356321013 in words is "four billion, three hundred fifty-six million, three hundred twenty-one thousand, thirteen".