384942858913 has 2 divisors, whose sum is σ = 384942858914. Its totient is φ = 384942858912.

The previous prime is 384942858901. The next prime is 384942858917. The reversal of 384942858913 is 319858249483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278349097744 + 106593761169 = 527588^2 + 326487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384942858913 is a prime.

It is a super-2 number, since 2×384942858913² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (384942858917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192471429456 + 192471429457.

It is an arithmetic number, because the mean of its divisors is an integer number (192471429457).

Almost surely, 2^384942858913 is an apocalyptic number.

It is an amenable number.

384942858913 is a deficient number, since it is larger than the sum of its proper divisors (1).

384942858913 is an equidigital number, since it uses as much as digits as its factorization.

384942858913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59719680, while the sum is 64.

The spelling of 384942858913 in words is "three hundred eighty-four billion, nine hundred forty-two million, eight hundred fifty-eight thousand, nine hundred thirteen".