1379784629 has 2 divisors, whose sum is σ = 1379784630. Its totient is φ = 1379784628.

The previous prime is 1379784589. The next prime is 1379784631. The reversal of 1379784629 is 9264879731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030281604 + 349503025 = 32098^2 + 18695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379784629 is a prime.

Together with 1379784631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379784229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689892314 + 689892315.

It is an arithmetic number, because the mean of its divisors is an integer number (689892315).

Almost surely, 2^1379784629 is an apocalyptic number.

It is an amenable number.

1379784629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379784629 is an equidigital number, since it uses as much as digits as its factorization.

1379784629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 56.

The square root of 1379784629 is about 37145.4523326880. The cubic root of 1379784629 is about 1113.2783605492.

The spelling of 1379784629 in words is "one billion, three hundred seventy-nine million, seven hundred eighty-four thousand, six hundred twenty-nine".