3980064839 has 4 divisors (see below), whose sum is σ = 4055160456. Its totient is φ = 3904969224.

The previous prime is 3980064833. The next prime is 3980064899. The reversal of 3980064839 is 9384600893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9384600893 = 1063 ⋅8828411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3980064839 is a prime.

It is a super-2 number, since 2×3980064839² = 31681832245288191842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980064833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37547729 + ... + 37547834.

It is an arithmetic number, because the mean of its divisors is an integer number (1013790114).

Almost surely, 2^3980064839 is an apocalyptic number.

3980064839 is a deficient number, since it is larger than the sum of its proper divisors (75095617).

3980064839 is an equidigital number, since it uses as much as digits as its factorization.

3980064839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75095616.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 3980064839 is about 63087.7550638791. The cubic root of 3980064839 is about 1584.7595675995.

The spelling of 3980064839 in words is "three billion, nine hundred eighty million, sixty-four thousand, eight hundred thirty-nine".