1946121626393 has 32 divisors (see below), whose sum is σ = 2399971968000. Its totient is φ = 1540232838144.

The previous prime is 1946121626389. The next prime is 1946121626429. The reversal of 1946121626393 is 3936261216491.

It is not a de Polignac number, because 1946121626393 - 2² = 1946121626389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1946121628393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 816683 + ... + 2135231.

It is an arithmetic number, because the mean of its divisors is an integer number (74999124000).

Almost surely, 2^{1946121626393} is an apocalyptic number.

It is an amenable number.

1946121626393 is a deficient number, since it is larger than the sum of its proper divisors (453850341607).

1946121626393 is a wasteful number, since it uses less digits than its factorization.

1946121626393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318809.

The product of its digits is 2519424, while the sum is 53.

The spelling of 1946121626393 in words is "one trillion, nine hundred forty-six billion, one hundred twenty-one million, six hundred twenty-six thousand, three hundred ninety-three".