694506908142 has 24 divisors (see below), whose sum is σ = 1511512801344. Its totient is φ = 230464174464.

The previous prime is 694506908141. The next prime is 694506908189. The reversal of 694506908142 is 241809605496.

694506908142 is a `hidden beast` number, since 6 + 9 + 4 + 506 + 90 + 8 + 1 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694506908141) 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 11 ways as a sum of consecutive naturals, for example, 86506563 + ... + 86514590.

It is an arithmetic number, because the mean of its divisors is an integer number (62979700056).

Almost surely, 2^694506908142 is an apocalyptic number.

694506908142 is an abundant number, since it is smaller than the sum of its proper divisors (817005893202).

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

694506908142 is a wasteful number, since it uses less digits than its factorization.

694506908142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173021384 (or 173021381 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 694506908142 in words is "six hundred ninety-four billion, five hundred six million, nine hundred eight thousand, one hundred forty-two".