1701456649 has 2 divisors, whose sum is σ = 1701456650. Its totient is φ = 1701456648.

The previous prime is 1701456643. The next prime is 1701456677. The reversal of 1701456649 is 9466541071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1680590025 + 20866624 = 40995^2 + 4568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1701456649 - 2³ = 1701456641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1701456641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850728324 + 850728325.

It is an arithmetic number, because the mean of its divisors is an integer number (850728325).

Almost surely, 2^1701456649 is an apocalyptic number.

It is an amenable number.

1701456649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1701456649 is an equidigital number, since it uses as much as digits as its factorization.

1701456649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1701456649 is about 41248.7169376212. The cubic root of 1701456649 is about 1193.8239742396.

The spelling of 1701456649 in words is "one billion, seven hundred one million, four hundred fifty-six thousand, six hundred forty-nine".