71405382119 has 4 divisors (see below), whose sum is σ = 71410300560. Its totient is φ = 71400463680.

The previous prime is 71405382101. The next prime is 71405382121. The reversal of 71405382119 is 91128350417.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71405382119 is a prime.

It is a super-2 number, since 2×71405382119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71405312119) 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 in 3 ways as a sum of consecutive naturals, for example, 2437379 + ... + 2466500.

It is an arithmetic number, because the mean of its divisors is an integer number (17852575140).

Almost surely, 2^71405382119 is an apocalyptic number.

71405382119 is a deficient number, since it is larger than the sum of its proper divisors (4918441).

71405382119 is a wasteful number, since it uses less digits than its factorization.

71405382119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918440.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 71405382119 in words is "seventy-one billion, four hundred five million, three hundred eighty-two thousand, one hundred nineteen".