320286601421853 has 32 divisors (see below), whose sum is σ = 467912207184000. Its totient is φ = 193262787129600.

The previous prime is 320286601421837. The next prime is 320286601421873. The reversal of 320286601421853 is 358124106682023.

It is not a de Polignac number, because 320286601421853 - 2⁴ = 320286601421837 is a prime.

It is a super-2 number, since 2×320286601421853² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320286601421796 and 320286601421805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320286601421873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646246083 + ... + 646741503.

It is an arithmetic number, because the mean of its divisors is an integer number (14622256474500).

Almost surely, 2^{320286601421853} is an apocalyptic number.

320286601421853 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

320286601421853 is a deficient number, since it is larger than the sum of its proper divisors (147625605762147).

320286601421853 is a wasteful number, since it uses less digits than its factorization.

320286601421853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581213.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 320286601421853 in words is "three hundred twenty trillion, two hundred eighty-six billion, six hundred one million, four hundred twenty-one thousand, eight hundred fifty-three".