696969663 has 16 divisors (see below), whose sum is σ = 1019662560. Its totient is φ = 420810624.

The previous prime is 696969661. The next prime is 696969697. The reversal of 696969663 is 366969696.

It is not a de Polignac number, because 696969663 - 2¹ = 696969661 is a prime.

It is a super-2 number, since 2×696969663² = 971533422284667138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 696969597 and 696969606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696969661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166528 + ... + 170661.

It is an arithmetic number, because the mean of its divisors is an integer number (63728910).

Almost surely, 2^696969663 is an apocalyptic number.

696969663 is a deficient number, since it is larger than the sum of its proper divisors (322692897).

696969663 is a wasteful number, since it uses less digits than its factorization.

696969663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337258.

The product of its digits is 17006112, while the sum is 60.

The square root of 696969663 is about 26400.1830107293. The cubic root of 696969663 is about 886.6208872822.

The spelling of 696969663 in words is "six hundred ninety-six million, nine hundred sixty-nine thousand, six hundred sixty-three".