329967378053 has 2 divisors, whose sum is σ = 329967378054. Its totient is φ = 329967378052.

The previous prime is 329967378029. The next prime is 329967378067. The reversal of 329967378053 is 350873769923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232862223364 + 97105154689 = 482558^2 + 311617^2 .

It is a cyclic number.

It is not a de Polignac number, because 329967378053 - 2³⁸ = 55089471109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329967378023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164983689026 + 164983689027.

It is an arithmetic number, because the mean of its divisors is an integer number (164983689027).

Almost surely, 2^329967378053 is an apocalyptic number.

It is an amenable number.

329967378053 is a deficient number, since it is larger than the sum of its proper divisors (1).

329967378053 is an equidigital number, since it uses as much as digits as its factorization.

329967378053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51438240, while the sum is 62.

The spelling of 329967378053 in words is "three hundred twenty-nine billion, nine hundred sixty-seven million, three hundred seventy-eight thousand, fifty-three".