3280398139 has 2 divisors, whose sum is σ = 3280398140. Its totient is φ = 3280398138.

The previous prime is 3280398119. The next prime is 3280398157. The reversal of 3280398139 is 9318930823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3280398139 - 2¹⁹ = 3279873851 is a prime.

It is a super-2 number, since 2×3280398139² = 21522023900709326642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3280398119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640199069 + 1640199070.

It is an arithmetic number, because the mean of its divisors is an integer number (1640199070).

Almost surely, 2^3280398139 is an apocalyptic number.

3280398139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3280398139 is an equidigital number, since it uses as much as digits as its factorization.

3280398139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 3280398139 is about 57274.7600518763. The cubic root of 3280398139 is about 1485.8518828945.

The spelling of 3280398139 in words is "three billion, two hundred eighty million, three hundred ninety-eight thousand, one hundred thirty-nine".