693063056640 has 144 divisors (see below), whose sum is σ = 2214608493888. Its totient is φ = 184721768448.

The previous prime is 693063056599. The next prime is 693063056669. The reversal of 693063056640 is 46650360396.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 693063056640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7584664 + ... + 7675496.

It is an arithmetic number, because the mean of its divisors is an integer number (15379225652).

Almost surely, 2^693063056640 is an apocalyptic number.

693063056640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 693063056640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107304246944).

693063056640 is an abundant number, since it is smaller than the sum of its proper divisors (1521545437248).

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

693063056640 is a wasteful number, since it uses less digits than its factorization.

693063056640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92844 (or 92830 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 48.

The spelling of 693063056640 in words is "six hundred ninety-three billion, sixty-three million, fifty-six thousand, six hundred forty".