71983144204453 has 8 divisors (see below), whose sum is σ = 72725546996928. Its totient is φ = 71240747708544.

The previous prime is 71983144204393. The next prime is 71983144204523. The reversal of 71983144204453 is 35440244138917.

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 71983144204453 - 2¹⁷ = 71983144073381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71983144204394 and 71983144204403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71983144204253) 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, 23448600 + ... + 26340142.

It is an arithmetic number, because the mean of its divisors is an integer number (9090693374616).

Almost surely, 2^{71983144204453} is an apocalyptic number.

It is an amenable number.

71983144204453 is a deficient number, since it is larger than the sum of its proper divisors (742402792475).

71983144204453 is a wasteful number, since it uses less digits than its factorization.

71983144204453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148283.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 71983144204453 in words is "seventy-one trillion, nine hundred eighty-three billion, one hundred forty-four million, two hundred four thousand, four hundred fifty-three".