10549138601 has 2 divisors, whose sum is σ = 10549138602. Its totient is φ = 10549138600.

The previous prime is 10549138591. The next prime is 10549138627. The reversal of 10549138601 is 10683194501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5609860201 + 4939278400 = 74899^2 + 70280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10549138601 is a prime.

It is a super-2 number, since 2×10549138601² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10549138631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5274569300 + 5274569301.

It is an arithmetic number, because the mean of its divisors is an integer number (5274569301).

Almost surely, 2^10549138601 is an apocalyptic number.

It is an amenable number.

10549138601 is a deficient number, since it is larger than the sum of its proper divisors (1).

10549138601 is an equidigital number, since it uses as much as digits as its factorization.

10549138601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 10549138601 in words is "ten billion, five hundred forty-nine million, one hundred thirty-eight thousand, six hundred one".