71298919953 has 16 divisors (see below), whose sum is σ = 105632140800. Its totient is φ = 47530763280.

The previous prime is 71298919883. The next prime is 71298919987. The reversal of 71298919953 is 35991989217.

It is not a de Polignac number, because 71298919953 - 2⁸ = 71298919697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71298918953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348608 + ... + 1400478.

It is an arithmetic number, because the mean of its divisors is an integer number (6602008800).

Almost surely, 2^71298919953 is an apocalyptic number.

It is an amenable number.

71298919953 is a deficient number, since it is larger than the sum of its proper divisors (34333220847).

71298919953 is a wasteful number, since it uses less digits than its factorization.

71298919953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102789 (or 102783 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 63.

The spelling of 71298919953 in words is "seventy-one billion, two hundred ninety-eight million, nine hundred nineteen thousand, nine hundred fifty-three".