4053800981 has 2 divisors, whose sum is σ = 4053800982. Its totient is φ = 4053800980.

The previous prime is 4053800957. The next prime is 4053800987. The reversal of 4053800981 is 1890083504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2357102500 + 1696698481 = 48550^2 + 41191^2 .

It is a cyclic number.

It is not a de Polignac number, because 4053800981 - 2¹⁴ = 4053784597 is a prime.

It is a super-2 number, since 2×4053800981² = 32866604787113124722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4053800987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2026900490 + 2026900491.

It is an arithmetic number, because the mean of its divisors is an integer number (2026900491).

Almost surely, 2^4053800981 is an apocalyptic number.

It is an amenable number.

4053800981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4053800981 is an equidigital number, since it uses as much as digits as its factorization.

4053800981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 4053800981 is about 63669.4666304030. The cubic root of 4053800981 is about 1594.4863577358.

The spelling of 4053800981 in words is "four billion, fifty-three million, eight hundred thousand, nine hundred eighty-one".