2104345411387 has 2 divisors, whose sum is σ = 2104345411388. Its totient is φ = 2104345411386.

The previous prime is 2104345411379. The next prime is 2104345411429. The reversal of 2104345411387 is 7831145434012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104345411387 - 2³ = 2104345411379 is a prime.

It is a super-2 number, since 2×2104345411387² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2104345411307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052172705693 + 1052172705694.

It is an arithmetic number, because the mean of its divisors is an integer number (1052172705694).

Almost surely, 2^{2104345411387} is an apocalyptic number.

2104345411387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104345411387 is an equidigital number, since it uses as much as digits as its factorization.

2104345411387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 2104345411387 in words is "two trillion, one hundred four billion, three hundred forty-five million, four hundred eleven thousand, three hundred eighty-seven".