654409852379 has 4 divisors (see below), whose sum is σ = 672096605184. Its totient is φ = 636723099576.

The previous prime is 654409852373. The next prime is 654409852381. The reversal of 654409852379 is 973258904456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 654409852379 - 2⁴ = 654409852363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654409852373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8843376347 + ... + 8843376420.

It is an arithmetic number, because the mean of its divisors is an integer number (168024151296).

Almost surely, 2^654409852379 is an apocalyptic number.

654409852379 is a deficient number, since it is larger than the sum of its proper divisors (17686752805).

654409852379 is a wasteful number, since it uses less digits than its factorization.

654409852379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17686752804.

The product of its (nonzero) digits is 65318400, while the sum is 62.

The spelling of 654409852379 in words is "six hundred fifty-four billion, four hundred nine million, eight hundred fifty-two thousand, three hundred seventy-nine".