338218847401 has 2 divisors, whose sum is σ = 338218847402. Its totient is φ = 338218847400.

The previous prime is 338218847269. The next prime is 338218847489. The reversal of 338218847401 is 104748812833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325556971776 + 12661875625 = 570576^2 + 112525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338218847401 is a prime.

It is a super-2 number, since 2×338218847401² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338218847801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169109423700 + 169109423701.

It is an arithmetic number, because the mean of its divisors is an integer number (169109423701).

Almost surely, 2^338218847401 is an apocalyptic number.

It is an amenable number.

338218847401 is a deficient number, since it is larger than the sum of its proper divisors (1).

338218847401 is an equidigital number, since it uses as much as digits as its factorization.

338218847401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 338218847401 in words is "three hundred thirty-eight billion, two hundred eighteen million, eight hundred forty-seven thousand, four hundred one".