3678131489 has 2 divisors, whose sum is σ = 3678131490. Its totient is φ = 3678131488.

The previous prime is 3678131477. The next prime is 3678131491. The reversal of 3678131489 is 9841318763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2623181089 + 1054950400 = 51217^2 + 32480^2 .

It is a cyclic number.

It is not a de Polignac number, because 3678131489 - 2²⁴ = 3661354273 is a prime.

Together with 3678131491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3678131459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839065744 + 1839065745.

It is an arithmetic number, because the mean of its divisors is an integer number (1839065745).

Almost surely, 2^3678131489 is an apocalyptic number.

It is an amenable number.

3678131489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678131489 is an equidigital number, since it uses as much as digits as its factorization.

3678131489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 3678131489 is about 60647.6008511466. The cubic root of 3678131489 is about 1543.6271797603.

The spelling of 3678131489 in words is "three billion, six hundred seventy-eight million, one hundred thirty-one thousand, four hundred eighty-nine".