10806612149 has 2 divisors, whose sum is σ = 10806612150. Its totient is φ = 10806612148.

The previous prime is 10806612133. The next prime is 10806612191. The reversal of 10806612149 is 94121660801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10804147249 + 2464900 = 103943^2 + 1570^2 .

It is a cyclic number.

It is not a de Polignac number, because 10806612149 - 2⁴ = 10806612133 is a prime.

It is a super-2 number, since 2×10806612149² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10806612119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5403306074 + 5403306075.

It is an arithmetic number, because the mean of its divisors is an integer number (5403306075).

Almost surely, 2^10806612149 is an apocalyptic number.

It is an amenable number.

10806612149 is a deficient number, since it is larger than the sum of its proper divisors (1).

10806612149 is an equidigital number, since it uses as much as digits as its factorization.

10806612149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 10806612149 in words is "ten billion, eight hundred six million, six hundred twelve thousand, one hundred forty-nine".