24706495489 has 27 divisors (see below), whose sum is σ = 27246656073. Its totient is φ = 22392918912.

The previous prime is 24706495481. The next prime is 24706495493. The reversal of 24706495489 is 98459460742.

The square root of 24706495489 is 157183.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 18437023089 + 6269472400 = 135783^2 + 79180^2 .

It is not a de Polignac number, because 24706495489 - 2³ = 24706495481 is a prime.

It is a super-2 number, since 2×24706495489² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24706495481) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 218641497 + ... + 218641609.

Almost surely, 2^24706495489 is an apocalyptic number.

24706495489 is the 157183-rd square number.

24706495489 is the 78592-nd centered octagonal number.

It is an amenable number.

24706495489 is a deficient number, since it is larger than the sum of its proper divisors (2540160584).

24706495489 is an equidigital number, since it uses as much as digits as its factorization.

24706495489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 24706495489 in words is "twenty-four billion, seven hundred six million, four hundred ninety-five thousand, four hundred eighty-nine".