40000249963 has 2 divisors, whose sum is σ = 40000249964. Its totient is φ = 40000249962.

The previous prime is 40000249957. The next prime is 40000250021. The reversal of 40000249963 is 36994200004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40000249963 - 2²¹ = 39998152811 is a prime.

It is not a weakly prime, because it can be changed into another prime (40000229963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000124981 + 20000124982.

It is an arithmetic number, because the mean of its divisors is an integer number (20000124982).

Almost surely, 2^40000249963 is an apocalyptic number.

40000249963 is a deficient number, since it is larger than the sum of its proper divisors (1).

40000249963 is an equidigital number, since it uses as much as digits as its factorization.

40000249963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

Adding to 40000249963 its reverse (36994200004), we get a palindrome (76994449967).

The spelling of 40000249963 in words is "forty billion, two hundred forty-nine thousand, nine hundred sixty-three".