71386419101 has 4 divisors (see below), whose sum is σ = 71390091804. Its totient is φ = 71382746400.

The previous prime is 71386419077. The next prime is 71386419109. The reversal of 71386419101 is 10191468317.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39263026201 + 32123392900 = 198149^2 + 179230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71386419101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71386419109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1807040 + ... + 1846121.

It is an arithmetic number, because the mean of its divisors is an integer number (17847522951).

Almost surely, 2^71386419101 is an apocalyptic number.

It is an amenable number.

71386419101 is a deficient number, since it is larger than the sum of its proper divisors (3672703).

71386419101 is a wasteful number, since it uses less digits than its factorization.

71386419101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672702.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 71386419101 in words is "seventy-one billion, three hundred eighty-six million, four hundred nineteen thousand, one hundred one".