8216132413 has 2 divisors, whose sum is σ = 8216132414. Its totient is φ = 8216132412.

The previous prime is 8216132387. The next prime is 8216132549. The reversal of 8216132413 is 3142316128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4265004249 + 3951128164 = 65307^2 + 62858^2 .

It is a cyclic number.

It is not a de Polignac number, because 8216132413 - 2¹⁷ = 8216001341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8216136413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4108066206 + 4108066207.

It is an arithmetic number, because the mean of its divisors is an integer number (4108066207).

Almost surely, 2^8216132413 is an apocalyptic number.

It is an amenable number.

8216132413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8216132413 is an equidigital number, since it uses as much as digits as its factorization.

8216132413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 8216132413 is about 90642.8839622835. The cubic root of 8216132413 is about 2017.8512272115.

The spelling of 8216132413 in words is "eight billion, two hundred sixteen million, one hundred thirty-two thousand, four hundred thirteen".