71132264653 has 4 divisors (see below), whose sum is σ = 72474382908. Its totient is φ = 69790146400.

The previous prime is 71132264641. The next prime is 71132264683. The reversal of 71132264653 is 35646223117.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35646223117 = 1511 ⋅23591147.

It can be written as a sum of positive squares in 2 ways, for example, as 21714085449 + 49418179204 = 147357^2 + 222302^2 .

It is a cyclic number.

It is not a de Polignac number, because 71132264653 - 2⁹ = 71132264141 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 (71132264683) 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, 671059048 + ... + 671059153.

It is an arithmetic number, because the mean of its divisors is an integer number (18118595727).

Almost surely, 2^71132264653 is an apocalyptic number.

It is an amenable number.

71132264653 is a deficient number, since it is larger than the sum of its proper divisors (1342118255).

71132264653 is a wasteful number, since it uses less digits than its factorization.

71132264653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342118254.

The product of its digits is 181440, while the sum is 40.

The spelling of 71132264653 in words is "seventy-one billion, one hundred thirty-two million, two hundred sixty-four thousand, six hundred fifty-three".