101042645653 has 2 divisors, whose sum is σ = 101042645654. Its totient is φ = 101042645652.

The previous prime is 101042645621. The next prime is 101042645701. The reversal of 101042645653 is 356546240101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66389706244 + 34652939409 = 257662^2 + 186153^2 .

It is a cyclic number.

It is not a de Polignac number, because 101042645653 - 2⁵ = 101042645621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101042345653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50521322826 + 50521322827.

It is an arithmetic number, because the mean of its divisors is an integer number (50521322827).

Almost surely, 2^101042645653 is an apocalyptic number.

It is an amenable number.

101042645653 is a deficient number, since it is larger than the sum of its proper divisors (1).

101042645653 is an equidigital number, since it uses as much as digits as its factorization.

101042645653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 101042645653 its reverse (356546240101), we get a palindrome (457588885754).

The spelling of 101042645653 in words is "one hundred one billion, forty-two million, six hundred forty-five thousand, six hundred fifty-three".