40313434247 has 2 divisors, whose sum is σ = 40313434248. Its totient is φ = 40313434246.

The previous prime is 40313434201. The next prime is 40313434321. The reversal of 40313434247 is 74243431304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40313434247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40313431247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20156717123 + 20156717124.

It is an arithmetic number, because the mean of its divisors is an integer number (20156717124).

Almost surely, 2^40313434247 is an apocalyptic number.

40313434247 is a deficient number, since it is larger than the sum of its proper divisors (1).

40313434247 is an equidigital number, since it uses as much as digits as its factorization.

40313434247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 35.

The spelling of 40313434247 in words is "forty billion, three hundred thirteen million, four hundred thirty-four thousand, two hundred forty-seven".