10902381852209 has 2 divisors, whose sum is σ = 10902381852210. Its totient is φ = 10902381852208.

The previous prime is 10902381852161. The next prime is 10902381852353. The reversal of 10902381852209 is 90225818320901.

It is a happy number.

10902381852209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10900727640625 + 1654211584 = 3301625^2 + 40672^2 .

It is a cyclic number.

It is not a de Polignac number, because 10902381852209 - 2⁸ = 10902381851953 is a prime.

It is a super-2 number, since 2×10902381852209² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10902381882209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5451190926104 + 5451190926105.

It is an arithmetic number, because the mean of its divisors is an integer number (5451190926105).

Almost surely, 2^{10902381852209} is an apocalyptic number.

It is an amenable number.

10902381852209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10902381852209 is an equidigital number, since it uses as much as digits as its factorization.

10902381852209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 10902381852209 in words is "ten trillion, nine hundred two billion, three hundred eighty-one million, eight hundred fifty-two thousand, two hundred nine".