3189061728247 has 2 divisors, whose sum is σ = 3189061728248. Its totient is φ = 3189061728246.

The previous prime is 3189061728179. The next prime is 3189061728269. The reversal of 3189061728247 is 7428271609813.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3189061728247 - 2⁷ = 3189061728119 is a prime.

It is a super-2 number, since 2×3189061728247² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3189061728191 and 3189061728200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3189061788247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594530864123 + 1594530864124.

It is an arithmetic number, because the mean of its divisors is an integer number (1594530864124).

Almost surely, 2^{3189061728247} is an apocalyptic number.

3189061728247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3189061728247 is an equidigital number, since it uses as much as digits as its factorization.

3189061728247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 3189061728247 in words is "three trillion, one hundred eighty-nine billion, sixty-one million, seven hundred twenty-eight thousand, two hundred forty-seven".