3644120960737 has 2 divisors, whose sum is σ = 3644120960738. Its totient is φ = 3644120960736.

The previous prime is 3644120960729. The next prime is 3644120960743. The reversal of 3644120960737 is 7370690214463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3587959544481 + 56161416256 = 1894191^2 + 236984^2 .

It is a cyclic number.

It is not a de Polignac number, because 3644120960737 - 2³ = 3644120960729 is a prime.

It is not a weakly prime, because it can be changed into another prime (3644126960737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822060480368 + 1822060480369.

It is an arithmetic number, because the mean of its divisors is an integer number (1822060480369).

Almost surely, 2^{3644120960737} is an apocalyptic number.

It is an amenable number.

3644120960737 is a deficient number, since it is larger than the sum of its proper divisors (1).

3644120960737 is an equidigital number, since it uses as much as digits as its factorization.

3644120960737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 3644120960737 in words is "three trillion, six hundred forty-four billion, one hundred twenty million, nine hundred sixty thousand, seven hundred thirty-seven".