424664653 has 4 divisors (see below), whose sum is σ = 485331040. Its totient is φ = 363998268.

The previous prime is 424664627. The next prime is 424664659. The reversal of 424664653 is 356466424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424664653 - 2⁵ = 424664621 is a prime.

It is a super-2 number, since 2×424664653² = 360680135015220818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424664659) 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, 30333183 + ... + 30333196.

It is an arithmetic number, because the mean of its divisors is an integer number (121332760).

Almost surely, 2^424664653 is an apocalyptic number.

It is an amenable number.

424664653 is a deficient number, since it is larger than the sum of its proper divisors (60666387).

424664653 is an equidigital number, since it uses as much as digits as its factorization.

424664653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60666386.

The product of its digits is 414720, while the sum is 40.

The square root of 424664653 is about 20607.3931636197. The cubic root of 424664653 is about 751.6494972559.

The spelling of 424664653 in words is "four hundred twenty-four million, six hundred sixty-four thousand, six hundred fifty-three".