654944474 has 8 divisors (see below), whose sum is σ = 1008968628. Its totient is φ = 318621600.

The previous prime is 654944473. The next prime is 654944519. The reversal of 654944474 is 474449456.

It can be written as a sum of positive squares in 2 ways, for example, as 650505025 + 4439449 = 25505^2 + 2107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (654944473) 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, 4425227 + ... + 4425374.

Almost surely, 2^654944474 is an apocalyptic number.

654944474 is a deficient number, since it is larger than the sum of its proper divisors (354024154).

654944474 is a wasteful number, since it uses less digits than its factorization.

654944474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850640.

The product of its digits is 1935360, while the sum is 47.

The square root of 654944474 is about 25591.8829709734. The cubic root of 654944474 is about 868.4300192180.

The spelling of 654944474 in words is "six hundred fifty-four million, nine hundred forty-four thousand, four hundred seventy-four".