64158189253 has 2 divisors, whose sum is σ = 64158189254. Its totient is φ = 64158189252.

The previous prime is 64158189241. The next prime is 64158189289. The reversal of 64158189253 is 35298185146.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59427225729 + 4730963524 = 243777^2 + 68782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64158189253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64158189253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64158189233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32079094626 + 32079094627.

It is an arithmetic number, because the mean of its divisors is an integer number (32079094627).

Almost surely, 2^64158189253 is an apocalyptic number.

It is an amenable number.

64158189253 is a deficient number, since it is larger than the sum of its proper divisors (1).

64158189253 is an equidigital number, since it uses as much as digits as its factorization.

64158189253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 52.

The spelling of 64158189253 in words is "sixty-four billion, one hundred fifty-eight million, one hundred eighty-nine thousand, two hundred fifty-three".