42994437194 has 16 divisors (see below), whose sum is σ = 64574719776. Its totient is φ = 21469551600.

The previous prime is 42994437193. The next prime is 42994437203. The reversal of 42994437194 is 49173449924.

It is not an unprimeable number, because it can be changed into a prime (42994437191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6164129 + ... + 6171099.

It is an arithmetic number, because the mean of its divisors is an integer number (4035919986).

Almost surely, 2^42994437194 is an apocalyptic number.

42994437194 is a deficient number, since it is larger than the sum of its proper divisors (21580282582).

42994437194 is a wasteful number, since it uses less digits than its factorization.

42994437194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501.

The product of its digits is 7838208, while the sum is 56.

The spelling of 42994437194 in words is "forty-two billion, nine hundred ninety-four million, four hundred thirty-seven thousand, one hundred ninety-four".