1419671639 has 2 divisors, whose sum is σ = 1419671640. Its totient is φ = 1419671638.

The previous prime is 1419671609. The next prime is 1419671641. The reversal of 1419671639 is 9361769141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1419671639 - 2²⁸ = 1151236183 is a prime.

It is a Sophie Germain prime.

Together with 1419671641, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1419671593 and 1419671602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1419671609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709835819 + 709835820.

It is an arithmetic number, because the mean of its divisors is an integer number (709835820).

Almost surely, 2^1419671639 is an apocalyptic number.

1419671639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1419671639 is an equidigital number, since it uses as much as digits as its factorization.

1419671639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 47.

The square root of 1419671639 is about 37678.5302128414. The cubic root of 1419671639 is about 1123.9042206667.

The spelling of 1419671639 in words is "one billion, four hundred nineteen million, six hundred seventy-one thousand, six hundred thirty-nine".