694259339420 has 48 divisors (see below), whose sum is σ = 1495582704000. Its totient is φ = 270553428480.

The previous prime is 694259339393. The next prime is 694259339437. The reversal of 694259339420 is 24933952496.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806 + ... + 1178354.

It is an arithmetic number, because the mean of its divisors is an integer number (31157973000).

Almost surely, 2^694259339420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694259339420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747791352000).

694259339420 is an abundant number, since it is smaller than the sum of its proper divisors (801323364580).

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

694259339420 is a wasteful number, since it uses less digits than its factorization.

694259339420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178318 (or 1178316 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 56.

The spelling of 694259339420 in words is "six hundred ninety-four billion, two hundred fifty-nine million, three hundred thirty-nine thousand, four hundred twenty".