653424639 has 8 divisors (see below), whose sum is σ = 995694720. Its totient is φ = 373385496.

The previous prime is 653424637. The next prime is 653424677. The reversal of 653424639 is 936424356.

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

It is not a de Polignac number, because 653424639 - 2¹ = 653424637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 653424639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653424637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15557709 + ... + 15557750.

It is an arithmetic number, because the mean of its divisors is an integer number (124461840).

Almost surely, 2^653424639 is an apocalyptic number.

653424639 is a deficient number, since it is larger than the sum of its proper divisors (342270081).

653424639 is a wasteful number, since it uses less digits than its factorization.

653424639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31115469.

The product of its digits is 466560, while the sum is 42.

The square root of 653424639 is about 25562.1720321259. The cubic root of 653424639 is about 867.7577522533.

The spelling of 653424639 in words is "six hundred fifty-three million, four hundred twenty-four thousand, six hundred thirty-nine".