3712576981 has 2 divisors, whose sum is σ = 3712576982. Its totient is φ = 3712576980.

The previous prime is 3712576963. The next prime is 3712576997. The reversal of 3712576981 is 1896752173.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2003994756 + 1708582225 = 44766^2 + 41335^2 .

It is a cyclic number.

It is not a de Polignac number, because 3712576981 - 2⁵ = 3712576949 is a prime.

It is a super-2 number, since 2×3712576981² = 27566455679702148722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3712576961) 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 as a sum of consecutive naturals, namely, 1856288490 + 1856288491.

It is an arithmetic number, because the mean of its divisors is an integer number (1856288491).

Almost surely, 2^3712576981 is an apocalyptic number.

It is an amenable number.

3712576981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3712576981 is an equidigital number, since it uses as much as digits as its factorization.

3712576981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 49.

The square root of 3712576981 is about 60930.9197452328. The cubic root of 3712576981 is about 1548.4308755962.

The spelling of 3712576981 in words is "three billion, seven hundred twelve million, five hundred seventy-six thousand, nine hundred eighty-one".