38721341357347 has 4 divisors (see below), whose sum is σ = 42241463298936. Its totient is φ = 35201219415760.

The previous prime is 38721341357341. The next prime is 38721341357359. The reversal of 38721341357347 is 74375314312783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38721341357347 - 2¹¹ = 38721341355299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38721341357291 and 38721341357300.

It is not an unprimeable number, because it can be changed into a prime (38721341357341) 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, 1760060970778 + ... + 1760060970799.

It is an arithmetic number, because the mean of its divisors is an integer number (10560365824734).

Almost surely, 2^{38721341357347} is an apocalyptic number.

38721341357347 is a deficient number, since it is larger than the sum of its proper divisors (3520121941589).

38721341357347 is a wasteful number, since it uses less digits than its factorization.

38721341357347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520121941588.

The product of its digits is 35562240, while the sum is 58.

The spelling of 38721341357347 in words is "thirty-eight trillion, seven hundred twenty-one billion, three hundred forty-one million, three hundred fifty-seven thousand, three hundred forty-seven".