71433506051 has 4 divisors (see below), whose sum is σ = 71504303400. Its totient is φ = 71362708704.

The previous prime is 71433506029. The next prime is 71433506059. The reversal of 71433506051 is 15060533417.

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

It is a cyclic number.

It is not a de Polignac number, because 71433506051 - 2¹⁸ = 71433243907 is a prime.

It is a super-2 number, since 2×71433506051² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71433506059) 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, 35397161 + ... + 35399178.

It is an arithmetic number, because the mean of its divisors is an integer number (17876075850).

Almost surely, 2^71433506051 is an apocalyptic number.

71433506051 is a deficient number, since it is larger than the sum of its proper divisors (70797349).

71433506051 is a wasteful number, since it uses less digits than its factorization.

71433506051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70797348.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 71433506051 in words is "seventy-one billion, four hundred thirty-three million, five hundred six thousand, fifty-one".