684132495 has 16 divisors (see below), whose sum is σ = 1108469760. Its totient is φ = 360251424.

The previous prime is 684132469. The next prime is 684132497. The reversal of 684132495 is 594231486.

It is not a de Polignac number, because 684132495 - 2¹³ = 684124303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684132497) 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 15 ways as a sum of consecutive naturals, for example, 287479 + ... + 289848.

It is an arithmetic number, because the mean of its divisors is an integer number (69279360).

Almost surely, 2^684132495 is an apocalyptic number.

684132495 is a deficient number, since it is larger than the sum of its proper divisors (424337265).

684132495 is a wasteful number, since it uses less digits than its factorization.

684132495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577414.

The product of its digits is 207360, while the sum is 42.

The square root of 684132495 is about 26155.9265750613. The cubic root of 684132495 is about 881.1436984599.

The spelling of 684132495 in words is "six hundred eighty-four million, one hundred thirty-two thousand, four hundred ninety-five".