69948489 has 16 divisors (see below), whose sum is σ = 106348032. Its totient is φ = 40512768.

The previous prime is 69948479. The next prime is 69948491. The reversal of 69948489 is 98484996.

It is not a de Polignac number, because 69948489 - 2⁵ = 69948457 is a prime.

It is a super-2 number, since 2×69948489² = 9785582226766242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69948409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52089 + ... + 53414.

It is an arithmetic number, because the mean of its divisors is an integer number (6646752).

Almost surely, 2^69948489 is an apocalyptic number.

It is an amenable number.

69948489 is a deficient number, since it is larger than the sum of its proper divisors (36399543).

69948489 is a wasteful number, since it uses less digits than its factorization.

69948489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105536.

The product of its digits is 4478976, while the sum is 57.

The square root of 69948489 is about 8363.5213277662. The cubic root of 69948489 is about 412.0274139706.

The spelling of 69948489 in words is "sixty-nine million, nine hundred forty-eight thousand, four hundred eighty-nine".