695889640000 has 315 divisors, whose sum is σ = 1785043741437. Its totient is φ = 269079552000.

The previous prime is 695889639989. The next prime is 695889640001. The reversal of 695889640000 is 46988596.

The square root of 695889640000 is 834200.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 563928906304 + 131960733696 = 750952^2 + 363264^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (695889640001) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 7174119952 + ... + 7174120048.

Almost surely, 2^695889640000 is an apocalyptic number.

695889640000 is the 834200-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 695889640000

695889640000 is an abundant number, since it is smaller than the sum of its proper divisors (1089154101437).

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

695889640000 is an frugal number, since it uses more digits than its factorization.

695889640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 695889640000 in words is "six hundred ninety-five billion, eight hundred eighty-nine million, six hundred forty thousand".