2620134654489 has 81 divisors (see below), whose sum is σ = 4198578003711. Its totient is φ = 1573359876000.

The previous prime is 2620134654469. The next prime is 2620134654517. The reversal of 2620134654489 is 9844564310262.

The square root of 2620134654489 is 1618683.

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

2620134654489 is a `hidden beast` number, since 2 + 6 + 2 + 0 + 13 + 4 + 6 + 544 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28871786889 + 2591262867600 = 169917^2 + 1609740^2 .

It is not a de Polignac number, because 2620134654489 - 2⁵ = 2620134654457 is a prime.

It is a super-2 number, since 2×2620134654489² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2620134654409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 9668393424 + ... + 9668393694.

Almost surely, 2^{2620134654489} is an apocalyptic number.

2620134654489 is the 1618683-rd square number.

2620134654489 is the 809342-nd centered octagonal number.

It is an amenable number.

2620134654489 is a deficient number, since it is larger than the sum of its proper divisors (1578443349222).

2620134654489 is an equidigital number, since it uses as much as digits as its factorization.

2620134654489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 2620134654489 in words is "two trillion, six hundred twenty billion, one hundred thirty-four million, six hundred fifty-four thousand, four hundred eighty-nine".