3889700389243 has 2 divisors, whose sum is σ = 3889700389244. Its totient is φ = 3889700389242.

The previous prime is 3889700389177. The next prime is 3889700389249. The reversal of 3889700389243 is 3429830079883.

3889700389243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3889700389243 - 2²⁵ = 3889666834811 is a prime.

It is a super-2 number, since 2×3889700389243² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3889700389249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944850194621 + 1944850194622.

It is an arithmetic number, because the mean of its divisors is an integer number (1944850194622).

Almost surely, 2^{3889700389243} is an apocalyptic number.

3889700389243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3889700389243 is an equidigital number, since it uses as much as digits as its factorization.

3889700389243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 3889700389243 in words is "three trillion, eight hundred eighty-nine billion, seven hundred million, three hundred eighty-nine thousand, two hundred forty-three".