3644120960429 has 2 divisors, whose sum is σ = 3644120960430. Its totient is φ = 3644120960428.

The previous prime is 3644120960413. The next prime is 3644120960477. The reversal of 3644120960429 is 9240690214463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3442787475625 + 201333484804 = 1855475^2 + 448702^2 .

It is a cyclic number.

It is not a de Polignac number, because 3644120960429 - 2⁴ = 3644120960413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3644120960729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822060480214 + 1822060480215.

It is an arithmetic number, because the mean of its divisors is an integer number (1822060480215).

Almost surely, 2^{3644120960429} is an apocalyptic number.

It is an amenable number.

3644120960429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3644120960429 is an equidigital number, since it uses as much as digits as its factorization.

3644120960429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 3644120960429 in words is "three trillion, six hundred forty-four billion, one hundred twenty million, nine hundred sixty thousand, four hundred twenty-nine".