693412650 has 288 divisors, whose sum is σ = 2287853568. Its totient is φ = 152798400.

The previous prime is 693412639. The next prime is 693412669. The reversal of 693412650 is 56214396.

It is a happy number.

693412650 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×693412650² = 961642206360045000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2636419 + ... + 2636681.

It is an arithmetic number, because the mean of its divisors is an integer number (7943936).

Almost surely, 2^693412650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 693412650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143926784).

693412650 is an abundant number, since it is smaller than the sum of its proper divisors (1594440918).

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

693412650 is a wasteful number, since it uses less digits than its factorization.

693412650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 693412650 is about 26332.7296344302. The cubic root of 693412650 is about 885.1100121787.

The spelling of 693412650 in words is "six hundred ninety-three million, four hundred twelve thousand, six hundred fifty".