71238964345 has 8 divisors (see below), whose sum is σ = 86690796480. Its totient is φ = 56188478640.

The previous prime is 71238964337. The next prime is 71238964351. The reversal of 71238964345 is 54346983217.

It is a happy number.

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

It is not a de Polignac number, because 71238964345 - 2³ = 71238964337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71238964292 and 71238964301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100336215 + ... + 100336924.

It is an arithmetic number, because the mean of its divisors is an integer number (10836349560).

Almost surely, 2^71238964345 is an apocalyptic number.

It is an amenable number.

71238964345 is a deficient number, since it is larger than the sum of its proper divisors (15451832135).

71238964345 is a wasteful number, since it uses less digits than its factorization.

71238964345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200673215.

The product of its digits is 4354560, while the sum is 52.

The spelling of 71238964345 in words is "seventy-one billion, two hundred thirty-eight million, nine hundred sixty-four thousand, three hundred forty-five".