3669128587 has 2 divisors, whose sum is σ = 3669128588. Its totient is φ = 3669128586.

The previous prime is 3669128563. The next prime is 3669128623. The reversal of 3669128587 is 7858219663.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3669128587 is a prime.

It is not a weakly prime, because it can be changed into another prime (3669128087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1834564293 + 1834564294.

It is an arithmetic number, because the mean of its divisors is an integer number (1834564294).

Almost surely, 2^3669128587 is an apocalyptic number.

3669128587 is a deficient number, since it is larger than the sum of its proper divisors (1).

3669128587 is an equidigital number, since it uses as much as digits as its factorization.

3669128587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 55.

The square root of 3669128587 is about 60573.3323088634. The cubic root of 3669128587 is about 1542.3667138329.

The spelling of 3669128587 in words is "three billion, six hundred sixty-nine million, one hundred twenty-eight thousand, five hundred eighty-seven".