1640108711741 has 2 divisors, whose sum is σ = 1640108711742. Its totient is φ = 1640108711740.

The previous prime is 1640108711687. The next prime is 1640108711749. The reversal of 1640108711741 is 1471178010461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1638837789241 + 1270922500 = 1280171^2 + 35650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1640108711741 - 2⁶ = 1640108711677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1640108711749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820054355870 + 820054355871.

It is an arithmetic number, because the mean of its divisors is an integer number (820054355871).

Almost surely, 2^{1640108711741} is an apocalyptic number.

It is an amenable number.

1640108711741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1640108711741 is an equidigital number, since it uses as much as digits as its factorization.

1640108711741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 41.

The spelling of 1640108711741 in words is "one trillion, six hundred forty billion, one hundred eight million, seven hundred eleven thousand, seven hundred forty-one".