10399553273129 has 2 divisors, whose sum is σ = 10399553273130. Its totient is φ = 10399553273128.

The previous prime is 10399553273063. The next prime is 10399553273177. The reversal of 10399553273129 is 92137235599301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6213294051904 + 4186259221225 = 2492648^2 + 2046035^2 .

It is a cyclic number.

It is not a de Polignac number, because 10399553273129 - 2⁸ = 10399553272873 is a prime.

It is not a weakly prime, because it can be changed into another prime (10399553273029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5199776636564 + 5199776636565.

It is an arithmetic number, because the mean of its divisors is an integer number (5199776636565).

Almost surely, 2^{10399553273129} is an apocalyptic number.

It is an amenable number.

10399553273129 is a deficient number, since it is larger than the sum of its proper divisors (1).

10399553273129 is an equidigital number, since it uses as much as digits as its factorization.

10399553273129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13778100, while the sum is 59.

The spelling of 10399553273129 in words is "ten trillion, three hundred ninety-nine billion, five hundred fifty-three million, two hundred seventy-three thousand, one hundred twenty-nine".