8203165049 has 2 divisors, whose sum is σ = 8203165050. Its totient is φ = 8203165048.

The previous prime is 8203165043. The next prime is 8203165097. The reversal of 8203165049 is 9405613028.

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., 6288490000 + 1914675049 = 79300^2 + 43757^2 .

It is a cyclic number.

It is not a de Polignac number, because 8203165049 - 2⁸ = 8203164793 is a prime.

It is a super-2 number, since 2×8203165049² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8203165043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4101582524 + 4101582525.

It is an arithmetic number, because the mean of its divisors is an integer number (4101582525).

Almost surely, 2^8203165049 is an apocalyptic number.

It is an amenable number.

8203165049 is a deficient number, since it is larger than the sum of its proper divisors (1).

8203165049 is an equidigital number, since it uses as much as digits as its factorization.

8203165049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 8203165049 is about 90571.3257548988. The cubic root of 8203165049 is about 2016.7890896182.

The spelling of 8203165049 in words is "eight billion, two hundred three million, one hundred sixty-five thousand, forty-nine".