71371000639488 has 416 divisors, whose sum is σ = 221988182314752. Its totient is φ = 20153761792000.

The previous prime is 71371000639487. The next prime is 71371000639489. The reversal of 71371000639488 is 88493600017317.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71371000639487) and next prime (71371000639489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71371000639481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231929695 + ... + 232237217.

Almost surely, 2^{71371000639488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71371000639488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110994091157376).

71371000639488 is an abundant number, since it is smaller than the sum of its proper divisors (150617181675264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71371000639488 is a wasteful number, since it uses less digits than its factorization.

71371000639488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307679 (or 307657 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 71371000639488 in words is "seventy-one trillion, three hundred seventy-one billion, six hundred thirty-nine thousand, four hundred eighty-eight".