10201000010549 has 2 divisors, whose sum is σ = 10201000010550. Its totient is φ = 10201000010548.

The previous prime is 10201000010491. The next prime is 10201000010623. The reversal of 10201000010549 is 94501000010201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7764481936324 + 2436518074225 = 2786482^2 + 1560935^2 .

It is an emirp because it is prime and its reverse (94501000010201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10201000010549 - 2⁴⁰ = 9101488382773 is a prime.

It is a super-2 number, since 2×10201000010549² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201000010249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100500005274 + 5100500005275.

It is an arithmetic number, because the mean of its divisors is an integer number (5100500005275).

Almost surely, 2^{10201000010549} is an apocalyptic number.

It is an amenable number.

10201000010549 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201000010549 is an equidigital number, since it uses as much as digits as its factorization.

10201000010549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The spelling of 10201000010549 in words is "ten trillion, two hundred one billion, ten thousand, five hundred forty-nine".