71954384003 has 2 divisors, whose sum is σ = 71954384004. Its totient is φ = 71954384002.

The previous prime is 71954383999. The next prime is 71954384009. The reversal of 71954384003 is 30048345917.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71954384003 - 2² = 71954383999 is a prime.

It is not a weakly prime, because it can be changed into another prime (71954384009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35977192001 + 35977192002.

It is an arithmetic number, because the mean of its divisors is an integer number (35977192002).

Almost surely, 2^71954384003 is an apocalyptic number.

71954384003 is a deficient number, since it is larger than the sum of its proper divisors (1).

71954384003 is an equidigital number, since it uses as much as digits as its factorization.

71954384003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 71954384003 in words is "seventy-one billion, nine hundred fifty-four million, three hundred eighty-four thousand, three".