3241220149429 has 2 divisors, whose sum is σ = 3241220149430. Its totient is φ = 3241220149428.

The previous prime is 3241220149381. The next prime is 3241220149493. The reversal of 3241220149429 is 9249410221423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2537005468804 + 704214680625 = 1592798^2 + 839175^2 .

It is an emirp because it is prime and its reverse (9249410221423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3241220149429 - 2¹¹ = 3241220147381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3241220149229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620610074714 + 1620610074715.

It is an arithmetic number, because the mean of its divisors is an integer number (1620610074715).

Almost surely, 2^{3241220149429} is an apocalyptic number.

It is an amenable number.

3241220149429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3241220149429 is an equidigital number, since it uses as much as digits as its factorization.

3241220149429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 3241220149429 in words is "three trillion, two hundred forty-one billion, two hundred twenty million, one hundred forty-nine thousand, four hundred twenty-nine".