538663530071 has 4 divisors (see below), whose sum is σ = 567014242200. Its totient is φ = 510312817944.

The previous prime is 538663530059. The next prime is 538663530089. The reversal of 538663530071 is 170035366835.

It is a happy number.

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-538663530071 is a prime.

It is a super-2 number, since 2×538663530071² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538663529998 and 538663530025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538663530971) 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, 14175356036 + ... + 14175356073.

It is an arithmetic number, because the mean of its divisors is an integer number (141753560550).

Almost surely, 2^538663530071 is an apocalyptic number.

538663530071 is a deficient number, since it is larger than the sum of its proper divisors (28350712129).

538663530071 is a wasteful number, since it uses less digits than its factorization.

538663530071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28350712128.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 538663530071 in words is "five hundred thirty-eight billion, six hundred sixty-three million, five hundred thirty thousand, seventy-one".