329240151261551 has 4 divisors (see below), whose sum is σ = 336896898965352. Its totient is φ = 321583403557752.

The previous prime is 329240151261533. The next prime is 329240151261577. The reversal of 329240151261551 is 155162151042923.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 329240151261551 - 2³⁰ = 329239077519727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 329240151261496 and 329240151261505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329240159261551) 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, 3828373851836 + ... + 3828373851921.

It is an arithmetic number, because the mean of its divisors is an integer number (84224224741338).

Almost surely, 2^{329240151261551} is an apocalyptic number.

329240151261551 is a deficient number, since it is larger than the sum of its proper divisors (7656747703801).

329240151261551 is an equidigital number, since it uses as much as digits as its factorization.

329240151261551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7656747703800.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 329240151261551 in words is "three hundred twenty-nine trillion, two hundred forty billion, one hundred fifty-one million, two hundred sixty-one thousand, five hundred fifty-one".