693147923328 has 256 divisors, whose sum is σ = 2131040010240. Its totient is φ = 195531356160.

The previous prime is 693147923323. The next prime is 693147923357. The reversal of 693147923328 is 823329741396.

It is a super-2 number, since 2×693147923328² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693147923323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72025525 + ... + 72035147.

It is an arithmetic number, because the mean of its divisors is an integer number (8324375040).

Almost surely, 2^693147923328 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 693147923328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065520005120).

693147923328 is an abundant number, since it is smaller than the sum of its proper divisors (1437892086912).

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

693147923328 is a wasteful number, since it uses less digits than its factorization.

693147923328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9985 (or 9973 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 57.

The spelling of 693147923328 in words is "six hundred ninety-three billion, one hundred forty-seven million, nine hundred twenty-three thousand, three hundred twenty-eight".