6491552454 has 48 divisors (see below), whose sum is σ = 14148646512. Its totient is φ = 2151028224.

The previous prime is 6491552447. The next prime is 6491552477. The reversal of 6491552454 is 4542551946.

6491552454 is a `hidden beast` number, since 6 + 4 + 91 + 552 + 4 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2391402 + ... + 2394114.

It is an arithmetic number, because the mean of its divisors is an integer number (294763469).

Almost surely, 2^6491552454 is an apocalyptic number.

6491552454 is an abundant number, since it is smaller than the sum of its proper divisors (7657094058).

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

6491552454 is a wasteful number, since it uses less digits than its factorization.

6491552454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461 (or 3458 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 6491552454 is about 80570.1709939851. The cubic root of 6491552454 is about 1865.4467520282.

The spelling of 6491552454 in words is "six billion, four hundred ninety-one million, five hundred fifty-two thousand, four hundred fifty-four".