3660121971383 has 2 divisors, whose sum is σ = 3660121971384. Its totient is φ = 3660121971382.

The previous prime is 3660121971349. The next prime is 3660121971409. The reversal of 3660121971383 is 3831791210663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3660121971383 - 2⁸ = 3660121971127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3660121971283) 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, 1830060985691 + 1830060985692.

It is an arithmetic number, because the mean of its divisors is an integer number (1830060985692).

Almost surely, 2^{3660121971383} is an apocalyptic number.

3660121971383 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660121971383 is an equidigital number, since it uses as much as digits as its factorization.

3660121971383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 3660121971383 in words is "three trillion, six hundred sixty billion, one hundred twenty-one million, nine hundred seventy-one thousand, three hundred eighty-three".