653420136533 has 4 divisors (see below), whose sum is σ = 653540455008. Its totient is φ = 653299818060.

The previous prime is 653420136487. The next prime is 653420136569. The reversal of 653420136533 is 335631024356.

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 653420136533 - 2¹² = 653420132437 is a prime.

It is a super-2 number, since 2×653420136533² (a number of 24 digits) 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 (653420136233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60151091 + ... + 60161952.

It is an arithmetic number, because the mean of its divisors is an integer number (163385113752).

Almost surely, 2^653420136533 is an apocalyptic number.

It is an amenable number.

653420136533 is a deficient number, since it is larger than the sum of its proper divisors (120318475).

653420136533 is a wasteful number, since it uses less digits than its factorization.

653420136533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120318474.

The product of its (nonzero) digits is 583200, while the sum is 41.

The spelling of 653420136533 in words is "six hundred fifty-three billion, four hundred twenty million, one hundred thirty-six thousand, five hundred thirty-three".