2042854664694 has 32 divisors (see below), whose sum is σ = 4095704809440. Its totient is φ = 679287324672.

The previous prime is 2042854664693. The next prime is 2042854664737. The reversal of 2042854664694 is 4964664582402.

It is a super-2 number, since 2×2042854664694² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042854664693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4668562 + ... + 5087354.

It is an arithmetic number, because the mean of its divisors is an integer number (127990775295).

Almost surely, 2^{2042854664694} is an apocalyptic number.

2042854664694 is an abundant number, since it is smaller than the sum of its proper divisors (2052850144746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2042854664694 is a wasteful number, since it uses less digits than its factorization.

2042854664694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420784.

The product of its (nonzero) digits is 79626240, while the sum is 60.

The spelling of 2042854664694 in words is "two trillion, forty-two billion, eight hundred fifty-four million, six hundred sixty-four thousand, six hundred ninety-four".