69489043 has 4 divisors (see below), whose sum is σ = 74834368. Its totient is φ = 64143720.

The previous prime is 69489037. The next prime is 69489059. The reversal of 69489043 is 34098496.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69489043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69489643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2672643 + ... + 2672668.

It is an arithmetic number, because the mean of its divisors is an integer number (18708592).

Almost surely, 2^69489043 is an apocalyptic number.

69489043 is a deficient number, since it is larger than the sum of its proper divisors (5345325).

69489043 is a wasteful number, since it uses less digits than its factorization.

69489043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5345324.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 69489043 is about 8336.0088171738. The cubic root of 69489043 is about 411.1233184888.

The spelling of 69489043 in words is "sixty-nine million, four hundred eighty-nine thousand, forty-three".