835642025137 has 2 divisors, whose sum is σ = 835642025138. Its totient is φ = 835642025136.

The previous prime is 835642025041. The next prime is 835642025201. The reversal of 835642025137 is 731520246538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 681996840561 + 153645184576 = 825831^2 + 391976^2 .

It is a cyclic number.

It is not a de Polignac number, because 835642025137 - 2¹⁹ = 835641500849 is a prime.

It is not a weakly prime, because it can be changed into another prime (835642025737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417821012568 + 417821012569.

It is an arithmetic number, because the mean of its divisors is an integer number (417821012569).

Almost surely, 2^835642025137 is an apocalyptic number.

It is an amenable number.

835642025137 is a deficient number, since it is larger than the sum of its proper divisors (1).

835642025137 is an equidigital number, since it uses as much as digits as its factorization.

835642025137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 835642025137 in words is "eight hundred thirty-five billion, six hundred forty-two million, twenty-five thousand, one hundred thirty-seven".