10520741897 has 2 divisors, whose sum is σ = 10520741898. Its totient is φ = 10520741896.

The previous prime is 10520741867. The next prime is 10520741909. The reversal of 10520741897 is 79814702501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5725040896 + 4795701001 = 75664^2 + 69251^2 .

It is a cyclic number.

It is not a de Polignac number, because 10520741897 - 2⁸ = 10520741641 is a prime.

It is a super-2 number, since 2×10520741897² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10520741867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260370948 + 5260370949.

It is an arithmetic number, because the mean of its divisors is an integer number (5260370949).

Almost surely, 2^10520741897 is an apocalyptic number.

It is an amenable number.

10520741897 is a deficient number, since it is larger than the sum of its proper divisors (1).

10520741897 is an equidigital number, since it uses as much as digits as its factorization.

10520741897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 10520741897 in words is "ten billion, five hundred twenty million, seven hundred forty-one thousand, eight hundred ninety-seven".