2138415067 has 2 divisors, whose sum is σ = 2138415068. Its totient is φ = 2138415066.

The previous prime is 2138414987. The next prime is 2138415077. The reversal of 2138415067 is 7605148312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2138415067 - 2¹¹ = 2138413019 is a prime.

It is a super-2 number, since 2×2138415067² = 9145637997545228978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2138415077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069207533 + 1069207534.

It is an arithmetic number, because the mean of its divisors is an integer number (1069207534).

Almost surely, 2^2138415067 is an apocalyptic number.

2138415067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2138415067 is an equidigital number, since it uses as much as digits as its factorization.

2138415067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2138415067 is about 46243.0001946241. Note that the first 3 decimals coincide. The cubic root of 2138415067 is about 1288.3405272462.

The spelling of 2138415067 in words is "two billion, one hundred thirty-eight million, four hundred fifteen thousand, sixty-seven".