24627966489 has 135 divisors (see below), whose sum is σ = 44566972527. Its totient is φ = 13513814496.

The previous prime is 24627966443. The next prime is 24627966557. The reversal of 24627966489 is 98466972642.

The square root of 24627966489 is 156933.

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

24627966489 is a `hidden beast` number, since 2 + 4 + 62 + 7 + 96 + 6 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17754230025 + 6873736464 = 133245^2 + 82908^2 .

It is not a de Polignac number, because 24627966489 - 2²¹ = 24625869337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (24627966689) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 464678587 + ... + 464678639.

Almost surely, 2^24627966489 is an apocalyptic number.

24627966489 is the 156933-rd square number.

24627966489 is the 78467-th centered octagonal number.

It is an amenable number.

24627966489 is a deficient number, since it is larger than the sum of its proper divisors (19939006038).

24627966489 is an frugal number, since it uses more digits than its factorization.

24627966489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 110 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 24627966489 in words is "twenty-four billion, six hundred twenty-seven million, nine hundred sixty-six thousand, four hundred eighty-nine".