4435686149 has 2 divisors, whose sum is σ = 4435686150. Its totient is φ = 4435686148.

The previous prime is 4435686071. The next prime is 4435686169. The reversal of 4435686149 is 9416865344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2285509249 + 2150176900 = 47807^2 + 46370^2 .

It is a cyclic number.

It is not a de Polignac number, because 4435686149 - 2⁸ = 4435685893 is a prime.

It is a super-2 number, since 2×4435686149² = 39350623224860900402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4435686097 and 4435686106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4435686169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2217843074 + 2217843075.

It is an arithmetic number, because the mean of its divisors is an integer number (2217843075).

Almost surely, 2^4435686149 is an apocalyptic number.

It is an amenable number.

4435686149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4435686149 is an equidigital number, since it uses as much as digits as its factorization.

4435686149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 50.

The square root of 4435686149 is about 66600.9470578309. The cubic root of 4435686149 is about 1643.0606819947.

The spelling of 4435686149 in words is "four billion, four hundred thirty-five million, six hundred eighty-six thousand, one hundred forty-nine".