654498422499 has 4 divisors (see below), whose sum is σ = 872664563336. Its totient is φ = 436332281664.

The previous prime is 654498422491. The next prime is 654498422647. The reversal of 654498422499 is 994224894456.

It is a happy number.

654498422499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 654498422499 - 2³ = 654498422491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654498422491) 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, 109083070414 + ... + 109083070419.

It is an arithmetic number, because the mean of its divisors is an integer number (218166140834).

Almost surely, 2^654498422499 is an apocalyptic number.

654498422499 is a deficient number, since it is larger than the sum of its proper divisors (218166140837).

654498422499 is a wasteful number, since it uses less digits than its factorization.

654498422499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218166140836.

The product of its digits is 179159040, while the sum is 66.

The spelling of 654498422499 in words is "six hundred fifty-four billion, four hundred ninety-eight million, four hundred twenty-two thousand, four hundred ninety-nine".