388320316541 has 2 divisors, whose sum is σ = 388320316542. Its totient is φ = 388320316540.

The previous prime is 388320316481. The next prime is 388320316577. The reversal of 388320316541 is 145613023883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360175221316 + 28145095225 = 600146^2 + 167765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388320316541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 388320316492 and 388320316501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388320310541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194160158270 + 194160158271.

It is an arithmetic number, because the mean of its divisors is an integer number (194160158271).

Almost surely, 2^388320316541 is an apocalyptic number.

It is an amenable number.

388320316541 is a deficient number, since it is larger than the sum of its proper divisors (1).

388320316541 is an equidigital number, since it uses as much as digits as its factorization.

388320316541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 388320316541 in words is "three hundred eighty-eight billion, three hundred twenty million, three hundred sixteen thousand, five hundred forty-one".