4010520231397 has 2 divisors, whose sum is σ = 4010520231398. Its totient is φ = 4010520231396.

The previous prime is 4010520231391. The next prime is 4010520231409. The reversal of 4010520231397 is 7931320250104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4010190482116 + 329749281 = 2002546^2 + 18159^2 .

It is a cyclic number.

It is not a de Polignac number, because 4010520231397 - 2⁷ = 4010520231269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4010520231391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005260115698 + 2005260115699.

It is an arithmetic number, because the mean of its divisors is an integer number (2005260115699).

Almost surely, 2^{4010520231397} is an apocalyptic number.

It is an amenable number.

4010520231397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4010520231397 is an equidigital number, since it uses as much as digits as its factorization.

4010520231397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 4010520231397 in words is "four trillion, ten billion, five hundred twenty million, two hundred thirty-one thousand, three hundred ninety-seven".