694341890412 has 24 divisors (see below), whose sum is σ = 1690571559936. Its totient is φ = 221384370768.

The previous prime is 694341890393. The next prime is 694341890441. The reversal of 694341890412 is 214098143496.

It is a super-2 number, since 2×694341890412² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257865468 + ... + 1257866019.

It is an arithmetic number, because the mean of its divisors is an integer number (70440481664).

Almost surely, 2^694341890412 is an apocalyptic number.

It is an amenable number.

694341890412 is an abundant number, since it is smaller than the sum of its proper divisors (996229669524).

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

694341890412 is a wasteful number, since it uses less digits than its factorization.

694341890412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515731517 (or 2515731515 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 694341890412 in words is "six hundred ninety-four billion, three hundred forty-one million, eight hundred ninety thousand, four hundred twelve".