2940305749 has 2 divisors, whose sum is σ = 2940305750. Its totient is φ = 2940305748.

The previous prime is 2940305743. The next prime is 2940305773. The reversal of 2940305749 is 9475030492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2685105124 + 255200625 = 51818^2 + 15975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2940305749 - 2³ = 2940305741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2940305741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470152874 + 1470152875.

It is an arithmetic number, because the mean of its divisors is an integer number (1470152875).

Almost surely, 2^2940305749 is an apocalyptic number.

It is an amenable number.

2940305749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940305749 is an equidigital number, since it uses as much as digits as its factorization.

2940305749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 2940305749 is about 54224.5862040459. The cubic root of 2940305749 is about 1432.6194102413.

The spelling of 2940305749 in words is "two billion, nine hundred forty million, three hundred five thousand, seven hundred forty-nine".