7489031069 has 16 divisors (see below), whose sum is σ = 8245549872. Its totient is φ = 6759187968.

The previous prime is 7489031047. The next prime is 7489031093. The reversal of 7489031069 is 9601309847.

It can be written as a sum of positive squares in 8 ways, for example, as 9375844 + 7479655225 = 3062^2 + 86485^2 .

It is not a de Polignac number, because 7489031069 - 2¹² = 7489026973 is a prime.

It is a super-2 number, since 2×7489031069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7489031009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183329 + ... + 220425.

It is an arithmetic number, because the mean of its divisors is an integer number (515346867).

Almost surely, 2^7489031069 is an apocalyptic number.

It is an amenable number.

7489031069 is a deficient number, since it is larger than the sum of its proper divisors (756518803).

7489031069 is a wasteful number, since it uses less digits than its factorization.

7489031069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37456.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 7489031069 is about 86539.1880537367. The cubic root of 7489031069 is about 1956.4790902603.

The spelling of 7489031069 in words is "seven billion, four hundred eighty-nine million, thirty-one thousand, sixty-nine".