3627861889 has 2 divisors, whose sum is σ = 3627861890. Its totient is φ = 3627861888.

The previous prime is 3627861871. The next prime is 3627861899. The reversal of 3627861889 is 9881687263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3269895489 + 357966400 = 57183^2 + 18920^2 .

It is a cyclic number.

It is not a de Polignac number, because 3627861889 - 2¹¹ = 3627859841 is a prime.

It is a super-2 number, since 2×3627861889² = 26322763771317296642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3627861899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1813930944 + 1813930945.

It is an arithmetic number, because the mean of its divisors is an integer number (1813930945).

Almost surely, 2^3627861889 is an apocalyptic number.

It is an amenable number.

3627861889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3627861889 is an equidigital number, since it uses as much as digits as its factorization.

3627861889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 58.

The square root of 3627861889 is about 60231.7348994697. The cubic root of 3627861889 is about 1536.5625653420.

The spelling of 3627861889 in words is "three billion, six hundred twenty-seven million, eight hundred sixty-one thousand, eight hundred eighty-nine".