10140421265297 has 2 divisors, whose sum is σ = 10140421265298. Its totient is φ = 10140421265296.

The previous prime is 10140421265281. The next prime is 10140421265339. The reversal of 10140421265297 is 79256212404101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9954536116561 + 185885148736 = 3155081^2 + 431144^2 .

It is a cyclic number.

It is not a de Polignac number, because 10140421265297 - 2⁴ = 10140421265281 is a prime.

It is a super-2 number, since 2×10140421265297² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10140421265797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5070210632648 + 5070210632649.

It is an arithmetic number, because the mean of its divisors is an integer number (5070210632649).

Almost surely, 2^{10140421265297} is an apocalyptic number.

It is an amenable number.

10140421265297 is a deficient number, since it is larger than the sum of its proper divisors (1).

10140421265297 is an equidigital number, since it uses as much as digits as its factorization.

10140421265297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

Adding to 10140421265297 its reverse (79256212404101), we get a palindrome (89396633669398).

The spelling of 10140421265297 in words is "ten trillion, one hundred forty billion, four hundred twenty-one million, two hundred sixty-five thousand, two hundred ninety-seven".