5489624465 has 12 divisors (see below), whose sum is σ = 7133264604. Its totient is φ = 4053875904.

The previous prime is 5489624461. The next prime is 5489624471. The reversal of 5489624465 is 5644269845.

It is a happy number.

It is a Cunningham number, because it is equal to 74092²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 2721917584 + 2767706881 = 52172^2 + 52609^2 .

It is not a de Polignac number, because 5489624465 - 2² = 5489624461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5489624461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3247454 + ... + 3249143.

It is an arithmetic number, because the mean of its divisors is an integer number (594438717).

Almost surely, 2^5489624465 is an apocalyptic number.

It is an amenable number.

5489624465 is a deficient number, since it is larger than the sum of its proper divisors (1643640139).

5489624465 is a wasteful number, since it uses less digits than its factorization.

5489624465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496628 (or 6496615 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 53.

The square root of 5489624465 is about 74092.0000067484. Note that the first 5 decimals coincide. The cubic root of 5489624465 is about 1764.0634915993.

The spelling of 5489624465 in words is "five billion, four hundred eighty-nine million, six hundred twenty-four thousand, four hundred sixty-five".