69489049 has 16 divisors (see below), whose sum is σ = 84049920. Its totient is φ = 56160720.

The previous prime is 69489037. The next prime is 69489059. The reversal of 69489049 is 94098496.

It is not a de Polignac number, because 69489049 - 2⁷ = 69488921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69488993 and 69489011.

It is not an unprimeable number, because it can be changed into a prime (69489029) 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, 8392 + ... + 14470.

It is an arithmetic number, because the mean of its divisors is an integer number (5253120).

Almost surely, 2^69489049 is an apocalyptic number.

It is an amenable number.

69489049 is a deficient number, since it is larger than the sum of its proper divisors (14560871).

69489049 is a wasteful number, since it uses less digits than its factorization.

69489049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 69489049 is about 8336.0091770583. The cubic root of 69489049 is about 411.1233303216.

The spelling of 69489049 in words is "sixty-nine million, four hundred eighty-nine thousand, forty-nine".