338195707242947 has 2 divisors, whose sum is σ = 338195707242948. Its totient is φ = 338195707242946.

The previous prime is 338195707242917. The next prime is 338195707243003. The reversal of 338195707242947 is 749242707591833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338195707242947 - 2²⁰ = 338195706194371 is a prime.

It is a super-2 number, since 2×338195707242947² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338195707242907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169097853621473 + 169097853621474.

It is an arithmetic number, because the mean of its divisors is an integer number (169097853621474).

Almost surely, 2^{338195707242947} is an apocalyptic number.

338195707242947 is a deficient number, since it is larger than the sum of its proper divisors (1).

338195707242947 is an equidigital number, since it uses as much as digits as its factorization.

338195707242947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640120320, while the sum is 71.

The spelling of 338195707242947 in words is "three hundred thirty-eight trillion, one hundred ninety-five billion, seven hundred seven million, two hundred forty-two thousand, nine hundred forty-seven".