68372285629 has 2 divisors, whose sum is σ = 68372285630. Its totient is φ = 68372285628.

The previous prime is 68372285621. The next prime is 68372285671. The reversal of 68372285629 is 92658227386.

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., 50839877529 + 17532408100 = 225477^2 + 132410^2 .

It is a cyclic number.

It is not a de Polignac number, because 68372285629 - 2³ = 68372285621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68372285621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34186142814 + 34186142815.

It is an arithmetic number, because the mean of its divisors is an integer number (34186142815).

Almost surely, 2^68372285629 is an apocalyptic number.

It is an amenable number.

68372285629 is a deficient number, since it is larger than the sum of its proper divisors (1).

68372285629 is an equidigital number, since it uses as much as digits as its factorization.

68372285629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 58.

The spelling of 68372285629 in words is "sixty-eight billion, three hundred seventy-two million, two hundred eighty-five thousand, six hundred twenty-nine".