3898709543 has 2 divisors, whose sum is σ = 3898709544. Its totient is φ = 3898709542.

The previous prime is 3898709483. The next prime is 3898709561. The reversal of 3898709543 is 3459078983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3898709543 - 2¹⁰ = 3898708519 is a prime.

It is a super-2 number, since 2×3898709543² = 30399872201358537698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3898709593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949354771 + 1949354772.

It is an arithmetic number, because the mean of its divisors is an integer number (1949354772).

Almost surely, 2^3898709543 is an apocalyptic number.

3898709543 is a deficient number, since it is larger than the sum of its proper divisors (1).

3898709543 is an equidigital number, since it uses as much as digits as its factorization.

3898709543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 3898709543 is about 62439.6472043204. The cubic root of 3898709543 is about 1573.8872856906.

The spelling of 3898709543 in words is "three billion, eight hundred ninety-eight million, seven hundred nine thousand, five hundred forty-three".