71345380801 has 4 divisors (see below), whose sum is σ = 71395378992. Its totient is φ = 71295382612.

The previous prime is 71345380753. The next prime is 71345380859. The reversal of 71345380801 is 10808354317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71345380801 - 2²³ = 71336992193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71345380891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24996955 + ... + 24999808.

It is an arithmetic number, because the mean of its divisors is an integer number (17848844748).

Almost surely, 2^71345380801 is an apocalyptic number.

It is an amenable number.

71345380801 is a deficient number, since it is larger than the sum of its proper divisors (49998191).

71345380801 is a wasteful number, since it uses less digits than its factorization.

71345380801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49998190.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 71345380801 in words is "seventy-one billion, three hundred forty-five million, three hundred eighty thousand, eight hundred one".