654419469 has 16 divisors (see below), whose sum is σ = 952473600. Its totient is φ = 396371760.

The previous prime is 654419453. The next prime is 654419477. The reversal of 654419469 is 964914456.

It is not a de Polignac number, because 654419469 - 2⁴ = 654419453 is a prime.

It is a super-2 number, since 2×654419469² = 856529682812483922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654419449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57732 + ... + 68130.

It is an arithmetic number, because the mean of its divisors is an integer number (59529600).

Almost surely, 2^654419469 is an apocalyptic number.

It is an amenable number.

654419469 is a deficient number, since it is larger than the sum of its proper divisors (298054131).

654419469 is a wasteful number, since it uses less digits than its factorization.

654419469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12320.

The product of its digits is 933120, while the sum is 48.

The square root of 654419469 is about 25581.6236583998. The cubic root of 654419469 is about 868.1979120193.

The spelling of 654419469 in words is "six hundred fifty-four million, four hundred nineteen thousand, four hundred sixty-nine".