694506908140 has 12 divisors (see below), whose sum is σ = 1458464507136. Its totient is φ = 277802763248.

The previous prime is 694506908107. The next prime is 694506908141. The reversal of 694506908140 is 41809605496.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (694506908141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17362672684 + ... + 17362672723.

It is an arithmetic number, because the mean of its divisors is an integer number (121538708928).

Almost surely, 2^694506908140 is an apocalyptic number.

It is an amenable number.

694506908140 is an abundant number, since it is smaller than the sum of its proper divisors (763957598996).

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

694506908140 is a wasteful number, since it uses less digits than its factorization.

694506908140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34725345416 (or 34725345414 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 694506908140 in words is "six hundred ninety-four billion, five hundred six million, nine hundred eight thousand, one hundred forty".