1338514217 has 2 divisors, whose sum is σ = 1338514218. Its totient is φ = 1338514216.

The previous prime is 1338514213. The next prime is 1338514237. The reversal of 1338514217 is 7124158331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 718454416 + 620059801 = 26804^2 + 24901^2 .

It is a cyclic number.

It is not a de Polignac number, because 1338514217 - 2² = 1338514213 is a prime.

It is a super-2 number, since 2×1338514217² = 3583240618222246178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1338514211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669257108 + 669257109.

It is an arithmetic number, because the mean of its divisors is an integer number (669257109).

Almost surely, 2^1338514217 is an apocalyptic number.

It is an amenable number.

1338514217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338514217 is an equidigital number, since it uses as much as digits as its factorization.

1338514217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 1338514217 is about 36585.7105575387. The cubic root of 1338514217 is about 1102.0661489185.

The spelling of 1338514217 in words is "one billion, three hundred thirty-eight million, five hundred fourteen thousand, two hundred seventeen".