3612678889 has 2 divisors, whose sum is σ = 3612678890. Its totient is φ = 3612678888.

The previous prime is 3612678869. The next prime is 3612678907. The reversal of 3612678889 is 9888762163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2949358864 + 663320025 = 54308^2 + 25755^2 .

It is a cyclic number.

It is not a de Polignac number, because 3612678889 - 2²⁵ = 3579124457 is a prime.

It is not a weakly prime, because it can be changed into another prime (3612678809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806339444 + 1806339445.

It is an arithmetic number, because the mean of its divisors is an integer number (1806339445).

Almost surely, 2^3612678889 is an apocalyptic number.

It is an amenable number.

3612678889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3612678889 is an equidigital number, since it uses as much as digits as its factorization.

3612678889 is an evil number, because the sum of its binary digits is even.

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

The square root of 3612678889 is about 60105.5645427277. The cubic root of 3612678889 is about 1534.4160070557.

The spelling of 3612678889 in words is "three billion, six hundred twelve million, six hundred seventy-eight thousand, eight hundred eighty-nine".