2301742649 has 2 divisors, whose sum is σ = 2301742650. Its totient is φ = 2301742648.

The previous prime is 2301742627. The next prime is 2301742691. The reversal of 2301742649 is 9462471032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2119681600 + 182061049 = 46040^2 + 13493^2 .

It is a cyclic number.

It is not a de Polignac number, because 2301742649 - 2⁸ = 2301742393 is a prime.

It is a super-3 number, since 3×2301742649³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2301742249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150871324 + 1150871325.

It is an arithmetic number, because the mean of its divisors is an integer number (1150871325).

Almost surely, 2^2301742649 is an apocalyptic number.

It is an amenable number.

2301742649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2301742649 is an equidigital number, since it uses as much as digits as its factorization.

2301742649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2301742649 is about 47976.4801647641. The cubic root of 2301742649 is about 1320.3394155107.

The spelling of 2301742649 in words is "two billion, three hundred one million, seven hundred forty-two thousand, six hundred forty-nine".