3536377981 has 2 divisors, whose sum is σ = 3536377982. Its totient is φ = 3536377980.

The previous prime is 3536377969. The next prime is 3536378023. The reversal of 3536377981 is 1897736353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3533708025 + 2669956 = 59445^2 + 1634^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3536377981 is a prime.

It is a super-2 number, since 2×3536377981² = 25011938449003272722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3536377951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1768188990 + 1768188991.

It is an arithmetic number, because the mean of its divisors is an integer number (1768188991).

Almost surely, 2^3536377981 is an apocalyptic number.

It is an amenable number.

3536377981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3536377981 is an equidigital number, since it uses as much as digits as its factorization.

3536377981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 52.

The square root of 3536377981 is about 59467.4531235364. The cubic root of 3536377981 is about 1523.5366029390.

The spelling of 3536377981 in words is "three billion, five hundred thirty-six million, three hundred seventy-seven thousand, nine hundred eighty-one".