71433652253 has 8 divisors (see below), whose sum is σ = 73784595456. Its totient is φ = 69085623600.

The previous prime is 71433652249. The next prime is 71433652267. The reversal of 71433652253 is 35225633417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71433652253 - 2² = 71433652249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71433652253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71433652243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678758 + ... + 776903.

It is an arithmetic number, because the mean of its divisors is an integer number (9223074432).

Almost surely, 2^71433652253 is an apocalyptic number.

It is an amenable number.

71433652253 is a deficient number, since it is larger than the sum of its proper divisors (2350943203).

71433652253 is a wasteful number, since it uses less digits than its factorization.

71433652253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457275.

The product of its digits is 453600, while the sum is 41.

The spelling of 71433652253 in words is "seventy-one billion, four hundred thirty-three million, six hundred fifty-two thousand, two hundred fifty-three".