654213644379 has 20 divisors (see below), whose sum is σ = 980050658136. Its totient is φ = 434906879616.

The previous prime is 654213644369. The next prime is 654213644393. The reversal of 654213644379 is 973446312456.

654213644379 is a `hidden beast` number, since 6 + 54 + 213 + 6 + 4 + 4 + 379 = 666.

It is not a de Polignac number, because 654213644379 - 2¹⁷ = 654213513307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654213644369) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11411509 + ... + 11468694.

Almost surely, 2^654213644379 is an apocalyptic number.

654213644379 is a deficient number, since it is larger than the sum of its proper divisors (325837013757).

654213644379 is a wasteful number, since it uses less digits than its factorization.

654213644379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22880568 (or 22880559 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The spelling of 654213644379 in words is "six hundred fifty-four billion, two hundred thirteen million, six hundred forty-four thousand, three hundred seventy-nine".