71332183849 has 2 divisors, whose sum is σ = 71332183850. Its totient is φ = 71332183848.

The previous prime is 71332183841. The next prime is 71332183973. The reversal of 71332183849 is 94838123317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39375258624 + 31956925225 = 198432^2 + 178765^2 .

It is a cyclic number.

It is not a de Polignac number, because 71332183849 - 2³ = 71332183841 is a prime.

It is not a weakly prime, because it can be changed into another prime (71332183841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35666091924 + 35666091925.

It is an arithmetic number, because the mean of its divisors is an integer number (35666091925).

Almost surely, 2^71332183849 is an apocalyptic number.

It is an amenable number.

71332183849 is a deficient number, since it is larger than the sum of its proper divisors (1).

71332183849 is an equidigital number, since it uses as much as digits as its factorization.

71332183849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The spelling of 71332183849 in words is "seventy-one billion, three hundred thirty-two million, one hundred eighty-three thousand, eight hundred forty-nine".