1946346818065 has 8 divisors (see below), whose sum is σ = 2515278964968. Its totient is φ = 1437302265600.

The previous prime is 1946346818011. The next prime is 1946346818071. The reversal of 1946346818065 is 5608186436491.

It can be written as a sum of positive squares in 4 ways, for example, as 10564345089 + 1935782472976 = 102783^2 + 1391324^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1946346818065 - 2¹¹ = 1946346816017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1946346817994 and 1946346818012.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 14971898536 + ... + 14971898665.

It is an arithmetic number, because the mean of its divisors is an integer number (314409870621).

Almost surely, 2^{1946346818065} is an apocalyptic number.

It is an amenable number.

1946346818065 is a deficient number, since it is larger than the sum of its proper divisors (568932146903).

1946346818065 is a wasteful number, since it uses less digits than its factorization.

1946346818065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29943797219.

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 1946346818065 in words is "one trillion, nine hundred forty-six billion, three hundred forty-six million, eight hundred eighteen thousand, sixty-five".