1994294419641 has 40 divisors (see below), whose sum is σ = 3036850435080. Its totient is φ = 1303795554048.

The previous prime is 1994294419631. The next prime is 1994294419657. The reversal of 1994294419641 is 1469144924991.

1994294419641 is a `hidden beast` number, since 1 + 9 + 94 + 2 + 94 + 419 + 6 + 41 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1250362294416 + 743932125225 = 1118196^2 + 862515^2 .

It is not a de Polignac number, because 1994294419641 - 2¹⁰ = 1994294418617 is a prime.

It is a super-2 number, since 2×1994294419641² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1994294419631) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8596021 + ... + 8824973.

It is an arithmetic number, because the mean of its divisors is an integer number (75921260877).

Almost surely, 2^{1994294419641} is an apocalyptic number.

It is an amenable number.

1994294419641 is a deficient number, since it is larger than the sum of its proper divisors (1042556015439).

1994294419641 is a wasteful number, since it uses less digits than its factorization.

1994294419641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231047 (or 231038 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The spelling of 1994294419641 in words is "one trillion, nine hundred ninety-four billion, two hundred ninety-four million, four hundred nineteen thousand, six hundred forty-one".