38720479331843 has 8 divisors (see below), whose sum is σ = 39779189296560. Its totient is φ = 37667212606720.

The previous prime is 38720479331839. The next prime is 38720479331851. The reversal of 38720479331843 is 34813397402783.

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

It is a cyclic number.

It is not a de Polignac number, because 38720479331843 - 2² = 38720479331839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38720479337843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360795478 + ... + 1360823931.

It is an arithmetic number, because the mean of its divisors is an integer number (4972398662070).

Almost surely, 2^{38720479331843} is an apocalyptic number.

38720479331843 is a deficient number, since it is larger than the sum of its proper divisors (1058709964717).

38720479331843 is a wasteful number, since it uses less digits than its factorization.

38720479331843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721619797.

The product of its (nonzero) digits is 73156608, while the sum is 62.

The spelling of 38720479331843 in words is "thirty-eight trillion, seven hundred twenty billion, four hundred seventy-nine million, three hundred thirty-one thousand, eight hundred forty-three".