6454531626 has 16 divisors (see below), whose sum is σ = 12918152064. Its totient is φ = 2149995744.

The previous prime is 6454531621. The next prime is 6454531639. The reversal of 6454531626 is 6261354546.

It is a super-2 number, since 2×6454531626² = 83321957022068407752, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6454531621) 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 7 ways as a sum of consecutive naturals, for example, 369451 + ... + 386526.

It is an arithmetic number, because the mean of its divisors is an integer number (807384504).

Almost surely, 2^6454531626 is an apocalyptic number.

6454531626 is an abundant number, since it is smaller than the sum of its proper divisors (6463620438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6454531626 is a wasteful number, since it uses less digits than its factorization.

6454531626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757405.

The product of its digits is 518400, while the sum is 42.

The square root of 6454531626 is about 80340.0997385490. The cubic root of 6454531626 is about 1861.8938226173.

The spelling of 6454531626 in words is "six billion, four hundred fifty-four million, five hundred thirty-one thousand, six hundred twenty-six".