699449482368 has 1536 divisors, whose sum is σ = 2751575500800. Its totient is φ = 173067632640.

The previous prime is 699449482363. The next prime is 699449482373. The reversal of 699449482368 is 863284944996.

699449482368 is a `hidden beast` number, since 69 + 9 + 44 + 94 + 82 + 368 = 666.

It is an interprime number because it is at equal distance from previous prime (699449482363) and next prime (699449482373).

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 699449482296 and 699449482305.

It is not an unprimeable number, because it can be changed into a prime (699449482363) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2525088246 + ... + 2525088522.

It is an arithmetic number, because the mean of its divisors is an integer number (1791390300).

Almost surely, 2^699449482368 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 699449482368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375787750400).

699449482368 is an abundant number, since it is smaller than the sum of its proper divisors (2052126018432).

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

699449482368 is a wasteful number, since it uses less digits than its factorization.

699449482368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 370 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 72.

The spelling of 699449482368 in words is "six hundred ninety-nine billion, four hundred forty-nine million, four hundred eighty-two thousand, three hundred sixty-eight".