1679527049 has 2 divisors, whose sum is σ = 1679527050. Its totient is φ = 1679527048.

The previous prime is 1679527043. The next prime is 1679527111. The reversal of 1679527049 is 9407259761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1562779024 + 116748025 = 39532^2 + 10805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1679527049 - 2⁴ = 1679527033 is a prime.

It is a super-2 number, since 2×1679527049² = 5641622216645296802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1679526988 and 1679527006.

It is not a weakly prime, because it can be changed into another prime (1679527043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839763524 + 839763525.

It is an arithmetic number, because the mean of its divisors is an integer number (839763525).

Almost surely, 2^1679527049 is an apocalyptic number.

It is an amenable number.

1679527049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679527049 is an equidigital number, since it uses as much as digits as its factorization.

1679527049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 50.

The square root of 1679527049 is about 40982.0332462898. The cubic root of 1679527049 is about 1188.6728251688.

The spelling of 1679527049 in words is "one billion, six hundred seventy-nine million, five hundred twenty-seven thousand, forty-nine".