653437304249 has 8 divisors (see below), whose sum is σ = 668418349440. Its totient is φ = 638501180976.

The previous prime is 653437304237. The next prime is 653437304327. The reversal of 653437304249 is 942403734356.

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

It is a cyclic number.

It is not a de Polignac number, because 653437304249 - 2⁸ = 653437303993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 653437304197 and 653437304206.

It is not an unprimeable number, because it can be changed into a prime (653437304549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11201054 + ... + 11259239.

It is an arithmetic number, because the mean of its divisors is an integer number (83552293680).

Almost surely, 2^653437304249 is an apocalyptic number.

It is an amenable number.

653437304249 is a deficient number, since it is larger than the sum of its proper divisors (14981045191).

653437304249 is a wasteful number, since it uses less digits than its factorization.

653437304249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22460959.

The product of its (nonzero) digits is 6531840, while the sum is 50.

The spelling of 653437304249 in words is "six hundred fifty-three billion, four hundred thirty-seven million, three hundred four thousand, two hundred forty-nine".