10261814959397 has 2 divisors, whose sum is σ = 10261814959398. Its totient is φ = 10261814959396.

The previous prime is 10261814959387. The next prime is 10261814959481. The reversal of 10261814959397 is 79395941816201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8918740253476 + 1343074705921 = 2986426^2 + 1158911^2 .

It is a cyclic number.

It is not a de Polignac number, because 10261814959397 - 2¹⁶ = 10261814893861 is a prime.

It is a super-4 number, since 4×10261814959397⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10261814959367) 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, 5130907479698 + 5130907479699.

It is an arithmetic number, because the mean of its divisors is an integer number (5130907479699).

It is a 2-persistent number, because it is pandigital, and so is 2⋅10261814959397 = 20523629918794, but 3⋅10261814959397 = 30785444878191 is not.

Almost surely, 2^{10261814959397} is an apocalyptic number.

It is an amenable number.

10261814959397 is a deficient number, since it is larger than the sum of its proper divisors (1).

10261814959397 is an equidigital number, since it uses as much as digits as its factorization.

10261814959397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 65.

The spelling of 10261814959397 in words is "ten trillion, two hundred sixty-one billion, eight hundred fourteen million, nine hundred fifty-nine thousand, three hundred ninety-seven".