153404636641 has 2 divisors, whose sum is σ = 153404636642. Its totient is φ = 153404636640.

The previous prime is 153404636611. The next prime is 153404636683. The reversal of 153404636641 is 146636404351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77818681600 + 75585955041 = 278960^2 + 274929^2 .

It is an emirp because it is prime and its reverse (146636404351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153404636641 - 2¹⁵ = 153404603873 is a prime.

It is not a weakly prime, because it can be changed into another prime (153404636611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76702318320 + 76702318321.

It is an arithmetic number, because the mean of its divisors is an integer number (76702318321).

Almost surely, 2^153404636641 is an apocalyptic number.

It is an amenable number.

153404636641 is a deficient number, since it is larger than the sum of its proper divisors (1).

153404636641 is an equidigital number, since it uses as much as digits as its factorization.

153404636641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 153404636641 in words is "one hundred fifty-three billion, four hundred four million, six hundred thirty-six thousand, six hundred forty-one".