3940264499 has 2 divisors, whose sum is σ = 3940264500. Its totient is φ = 3940264498.

The previous prime is 3940264469. The next prime is 3940264541. The reversal of 3940264499 is 9944620493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3940264499 - 2¹⁶ = 3940198963 is a prime.

It is not a weakly prime, because it can be changed into another prime (3940264469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970132249 + 1970132250.

It is an arithmetic number, because the mean of its divisors is an integer number (1970132250).

Almost surely, 2^3940264499 is an apocalyptic number.

3940264499 is a deficient number, since it is larger than the sum of its proper divisors (1).

3940264499 is an equidigital number, since it uses as much as digits as its factorization.

3940264499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The square root of 3940264499 is about 62771.5261802674. The cubic root of 3940264499 is about 1579.4593699924.

The spelling of 3940264499 in words is "three billion, nine hundred forty million, two hundred sixty-four thousand, four hundred ninety-nine".