65406372285629 has 2 divisors, whose sum is σ = 65406372285630. Its totient is φ = 65406372285628.

The previous prime is 65406372285607. The next prime is 65406372285697. The reversal of 65406372285629 is 92658227360456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58893806092900 + 6512566192729 = 7674230^2 + 2551973^2 .

It is a cyclic number.

It is not a de Polignac number, because 65406372285629 - 2¹⁶ = 65406372220093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65406372285029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32703186142814 + 32703186142815.

It is an arithmetic number, because the mean of its divisors is an integer number (32703186142815).

Almost surely, 2^{65406372285629} is an apocalyptic number.

It is an amenable number.

65406372285629 is a deficient number, since it is larger than the sum of its proper divisors (1).

65406372285629 is an equidigital number, since it uses as much as digits as its factorization.

65406372285629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 261273600, while the sum is 65.

The spelling of 65406372285629 in words is "sixty-five trillion, four hundred six billion, three hundred seventy-two million, two hundred eighty-five thousand, six hundred twenty-nine".