71469184139 has 2 divisors, whose sum is σ = 71469184140. Its totient is φ = 71469184138.

The previous prime is 71469184093. The next prime is 71469184211. The reversal of 71469184139 is 93148196417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71469184139 - 2¹⁶ = 71469118603 is a prime.

It is not a weakly prime, because it can be changed into another prime (71469184439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35734592069 + 35734592070.

It is an arithmetic number, because the mean of its divisors is an integer number (35734592070).

Almost surely, 2^71469184139 is an apocalyptic number.

71469184139 is a deficient number, since it is larger than the sum of its proper divisors (1).

71469184139 is an equidigital number, since it uses as much as digits as its factorization.

71469184139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 53.

The spelling of 71469184139 in words is "seventy-one billion, four hundred sixty-nine million, one hundred eighty-four thousand, one hundred thirty-nine".