69898969 has 8 divisors (see below), whose sum is σ = 80676288. Its totient is φ = 59319600.

The previous prime is 69898943. The next prime is 69898981. The reversal of 69898969 is 96989896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69898969 - 2⁵ = 69898937 is a prime.

It is a super-2 number, since 2×69898969² = 9771731734525922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 69898969.

It is not an unprimeable number, because it can be changed into a prime (69898919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48727 + ... + 50140.

It is an arithmetic number, because the mean of its divisors is an integer number (10084536).

Almost surely, 2^69898969 is an apocalyptic number.

It is an amenable number.

69898969 is a deficient number, since it is larger than the sum of its proper divisors (10777319).

69898969 is a wasteful number, since it uses less digits than its factorization.

69898969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98975.

The product of its digits is 15116544, while the sum is 64.

The square root of 69898969 is about 8360.5603281120. The cubic root of 69898969 is about 411.9301594784.

The spelling of 69898969 in words is "sixty-nine million, eight hundred ninety-eight thousand, nine hundred sixty-nine".