1979452829 has 2 divisors, whose sum is σ = 1979452830. Its totient is φ = 1979452828.

The previous prime is 1979452771. The next prime is 1979452831. The reversal of 1979452829 is 9282549791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1531156900 + 448295929 = 39130^2 + 21173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1979452829 is a prime.

It is a super-2 number, since 2×1979452829² = 7836467004472206482, which contains 22 as substring.

Together with 1979452831, 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 (1979452859) 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, 989726414 + 989726415.

It is an arithmetic number, because the mean of its divisors is an integer number (989726415).

Almost surely, 2^1979452829 is an apocalyptic number.

It is an amenable number.

1979452829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1979452829 is an equidigital number, since it uses as much as digits as its factorization.

1979452829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 56.

The square root of 1979452829 is about 44491.0421208584. The cubic root of 1979452829 is about 1255.5915538450.

The spelling of 1979452829 in words is "one billion, nine hundred seventy-nine million, four hundred fifty-two thousand, eight hundred twenty-nine".