69989153 has 18 divisors (see below), whose sum is σ = 80563554. Its totient is φ = 60762624.

The previous prime is 69989147. The next prime is 69989159. The reversal of 69989153 is 35198996.

It is an interprime number because it is at equal distance from previous prime (69989147) and next prime (69989159).

It can be written as a sum of positive squares in 9 ways, for example, as 6436369 + 63552784 = 2537^2 + 7972^2 .

It is not a de Polignac number, because 69989153 - 2⁴ = 69989137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69989159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48125 + ... + 49557.

It is an arithmetic number, because the mean of its divisors is an integer number (4475753).

Almost surely, 2^69989153 is an apocalyptic number.

It is an amenable number.

69989153 is a deficient number, since it is larger than the sum of its proper divisors (10574401).

69989153 is a wasteful number, since it uses less digits than its factorization.

69989153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1463 counting only the distinct ones).

The product of its digits is 524880, while the sum is 50.

The square root of 69989153 is about 8365.9520079905. The cubic root of 69989153 is about 412.1072414614.

The spelling of 69989153 in words is "sixty-nine million, nine hundred eighty-nine thousand, one hundred fifty-three".