695894488920 has 256 divisors, whose sum is σ = 2459195596800. Its totient is φ = 174731696640.

The previous prime is 695894488907. The next prime is 695894488979. The reversal of 695894488920 is 29884498596.

695894488920 is a `hidden beast` number, since 6 + 9 + 5 + 89 + 448 + 89 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 957877 + ... + 1519643.

It is an arithmetic number, because the mean of its divisors is an integer number (9606232800).

Almost surely, 2^695894488920 is an apocalyptic number.

695894488920 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 695894488920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229597798400).

695894488920 is an abundant number, since it is smaller than the sum of its proper divisors (1763301107880).

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

695894488920 is a wasteful number, since it uses less digits than its factorization.

695894488920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561855 (or 561845 counting only the distinct ones).

The product of its (nonzero) digits is 358318080, while the sum is 72.

The spelling of 695894488920 in words is "six hundred ninety-five billion, eight hundred ninety-four million, four hundred eighty-eight thousand, nine hundred twenty".