329068387453 has 4 divisors (see below), whose sum is σ = 354381340348. Its totient is φ = 303755434560.

The previous prime is 329068387451. The next prime is 329068387457. The reversal of 329068387453 is 354783860923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354783860923 = 241 ⋅1472132203.

It can be written as a sum of positive squares in 2 ways, for example, as 205138338084 + 123930049369 = 452922^2 + 352037^2 .

It is a cyclic number.

It is not a de Polignac number, because 329068387453 - 2¹ = 329068387451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329068387451) 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, 12656476428 + ... + 12656476453.

It is an arithmetic number, because the mean of its divisors is an integer number (88595335087).

Almost surely, 2^329068387453 is an apocalyptic number.

It is an amenable number.

329068387453 is a deficient number, since it is larger than the sum of its proper divisors (25312952895).

329068387453 is a wasteful number, since it uses less digits than its factorization.

329068387453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25312952894.

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 329068387453 in words is "three hundred twenty-nine billion, sixty-eight million, three hundred eighty-seven thousand, four hundred fifty-three".