153536564641 has 4 divisors (see below), whose sum is σ = 153538302384. Its totient is φ = 153534826900.

The previous prime is 153536564593. The next prime is 153536564681. The reversal of 153536564641 is 146465635351.

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 153536564641 - 2¹⁹ = 153536040353 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153536564681) 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, 728815 + ... + 915556.

It is an arithmetic number, because the mean of its divisors is an integer number (38384575596).

Almost surely, 2^153536564641 is an apocalyptic number.

It is an amenable number.

153536564641 is a deficient number, since it is larger than the sum of its proper divisors (1737743).

153536564641 is an equidigital number, since it uses as much as digits as its factorization.

153536564641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737742.

The product of its digits is 3888000, while the sum is 49.

The spelling of 153536564641 in words is "one hundred fifty-three billion, five hundred thirty-six million, five hundred sixty-four thousand, six hundred forty-one".