653310212449 has 4 divisors (see below), whose sum is σ = 691740224964. Its totient is φ = 614880199936.

The previous prime is 653310212447. The next prime is 653310212501. The reversal of 653310212449 is 944212013356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 492813828049 + 160496384400 = 702007^2 + 400620^2 .

It is a cyclic number.

It is not a de Polignac number, because 653310212449 - 2¹ = 653310212447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653310212447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19215006232 + ... + 19215006265.

It is an arithmetic number, because the mean of its divisors is an integer number (172935056241).

Almost surely, 2^653310212449 is an apocalyptic number.

It is an amenable number.

653310212449 is a deficient number, since it is larger than the sum of its proper divisors (38430012515).

653310212449 is a wasteful number, since it uses less digits than its factorization.

653310212449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38430012514.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 653310212449 in words is "six hundred fifty-three billion, three hundred ten million, two hundred twelve thousand, four hundred forty-nine".