696945747564 has 144 divisors (see below), whose sum is σ = 1955663892000. Its totient is φ = 207491328000.

The previous prime is 696945747557. The next prime is 696945747571. The reversal of 696945747564 is 465747549696.

696945747564 is a `hidden beast` number, since 6 + 9 + 6 + 9 + 4 + 57 + 4 + 7 + 564 = 666.

It is an interprime number because it is at equal distance from previous prime (696945747557) and next prime (696945747571).

It is a junction number, because it is equal to n+sod(n) for n = 696945747492 and 696945747501.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21265062 + ... + 21297810.

It is an arithmetic number, because the mean of its divisors is an integer number (13580999250).

Almost surely, 2^696945747564 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 696945747564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977831946000).

696945747564 is an abundant number, since it is smaller than the sum of its proper divisors (1258718144436).

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

696945747564 is a wasteful number, since it uses less digits than its factorization.

696945747564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33712 (or 33707 counting only the distinct ones).

The product of its digits is 1371686400, while the sum is 72.

The spelling of 696945747564 in words is "six hundred ninety-six billion, nine hundred forty-five million, seven hundred forty-seven thousand, five hundred sixty-four".