1941655316905 has 4 divisors (see below), whose sum is σ = 2329986380292. Its totient is φ = 1553324253520.

The previous prime is 1941655316903. The next prime is 1941655316917. The reversal of 1941655316905 is 5096135561491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1046381693184 + 895273623721 = 1022928^2 + 946189^2 .

It is not a de Polignac number, because 1941655316905 - 2¹ = 1941655316903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1941655316903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194165531686 + ... + 194165531695.

It is an arithmetic number, because the mean of its divisors is an integer number (582496595073).

Almost surely, 2^{1941655316905} is an apocalyptic number.

It is an amenable number.

1941655316905 is a deficient number, since it is larger than the sum of its proper divisors (388331063387).

1941655316905 is an equidigital number, since it uses as much as digits as its factorization.

1941655316905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388331063386.

The product of its (nonzero) digits is 4374000, while the sum is 55.

The spelling of 1941655316905 in words is "one trillion, nine hundred forty-one billion, six hundred fifty-five million, three hundred sixteen thousand, nine hundred five".