1649174159 has 2 divisors, whose sum is σ = 1649174160. Its totient is φ = 1649174158.

The previous prime is 1649174123. The next prime is 1649174161. The reversal of 1649174159 is 9514719461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1649174159 - 2¹² = 1649170063 is a prime.

Together with 1649174161, 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 (1649174959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824587079 + 824587080.

It is an arithmetic number, because the mean of its divisors is an integer number (824587080).

Almost surely, 2^1649174159 is an apocalyptic number.

1649174159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1649174159 is an equidigital number, since it uses as much as digits as its factorization.

1649174159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 47.

The square root of 1649174159 is about 40610.0253508909. The cubic root of 1649174159 is about 1181.4685725118.

The spelling of 1649174159 in words is "one billion, six hundred forty-nine million, one hundred seventy-four thousand, one hundred fifty-nine".