1607345449 has 2 divisors, whose sum is σ = 1607345450. Its totient is φ = 1607345448.

The previous prime is 1607345431. The next prime is 1607345473. The reversal of 1607345449 is 9445437061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 924464025 + 682881424 = 30405^2 + 26132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1607345449 - 2¹⁷ = 1607214377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1607345419) 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, 803672724 + 803672725.

It is an arithmetic number, because the mean of its divisors is an integer number (803672725).

Almost surely, 2^1607345449 is an apocalyptic number.

It is an amenable number.

1607345449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1607345449 is an equidigital number, since it uses as much as digits as its factorization.

1607345449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 1607345449 is about 40091.7129716354. The cubic root of 1607345449 is about 1171.3942151669.

The spelling of 1607345449 in words is "one billion, six hundred seven million, three hundred forty-five thousand, four hundred forty-nine".