3039956981 has 2 divisors, whose sum is σ = 3039956982. Its totient is φ = 3039956980.

The previous prime is 3039956911. The next prime is 3039957007. The reversal of 3039956981 is 1896599303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2657402500 + 382554481 = 51550^2 + 19559^2 .

It is an emirp because it is prime and its reverse (1896599303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3039956981 - 2²⁶ = 2972848117 is a prime.

It is a super-2 number, since 2×3039956981² = 18482676892661268722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3039956911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1519978490 + 1519978491.

It is an arithmetic number, because the mean of its divisors is an integer number (1519978491).

Almost surely, 2^3039956981 is an apocalyptic number.

It is an amenable number.

3039956981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3039956981 is an equidigital number, since it uses as much as digits as its factorization.

3039956981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The square root of 3039956981 is about 55135.8048911957. The cubic root of 3039956981 is about 1448.6244554687.

The spelling of 3039956981 in words is "three billion, thirty-nine million, nine hundred fifty-six thousand, nine hundred eighty-one".