3660641477 has 2 divisors, whose sum is σ = 3660641478. Its totient is φ = 3660641476.

The previous prime is 3660641473. The next prime is 3660641513. The reversal of 3660641477 is 7741460663.

3660641477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3335524516 + 325116961 = 57754^2 + 18031^2 .

It is a cyclic number.

It is not a de Polignac number, because 3660641477 - 2² = 3660641473 is a prime.

It is a super-3 number, since 3×3660641477³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3660641473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830320738 + 1830320739.

It is an arithmetic number, because the mean of its divisors is an integer number (1830320739).

Almost surely, 2^3660641477 is an apocalyptic number.

It is an amenable number.

3660641477 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660641477 is an equidigital number, since it uses as much as digits as its factorization.

3660641477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 3660641477 is about 60503.2352606040. The cubic root of 3660641477 is about 1541.1765727493.

The spelling of 3660641477 in words is "three billion, six hundred sixty million, six hundred forty-one thousand, four hundred seventy-seven".