3677440981 has 2 divisors, whose sum is σ = 3677440982. Its totient is φ = 3677440980.

The previous prime is 3677440957. The next prime is 3677441017. The reversal of 3677440981 is 1890447763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2849958225 + 827482756 = 53385^2 + 28766^2 .

It is a cyclic number.

It is not a de Polignac number, because 3677440981 - 2⁷ = 3677440853 is a prime.

It is a super-2 number, since 2×3677440981² = 27047144337476484722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3675440981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1838720490 + 1838720491.

It is an arithmetic number, because the mean of its divisors is an integer number (1838720491).

Almost surely, 2^3677440981 is an apocalyptic number.

It is an amenable number.

3677440981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3677440981 is an equidigital number, since it uses as much as digits as its factorization.

3677440981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 3677440981 is about 60641.9077948575. The cubic root of 3677440981 is about 1543.5305769401.

The spelling of 3677440981 in words is "three billion, six hundred seventy-seven million, four hundred forty thousand, nine hundred eighty-one".