40341937243 has 2 divisors, whose sum is σ = 40341937244. Its totient is φ = 40341937242.

The previous prime is 40341937219. The next prime is 40341937247. The reversal of 40341937243 is 34273914304.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40341937243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40341937196 and 40341937205.

It is not a weakly prime, because it can be changed into another prime (40341937247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20170968621 + 20170968622.

It is an arithmetic number, because the mean of its divisors is an integer number (20170968622).

Almost surely, 2^40341937243 is an apocalyptic number.

40341937243 is a deficient number, since it is larger than the sum of its proper divisors (1).

40341937243 is an equidigital number, since it uses as much as digits as its factorization.

40341937243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 40341937243 in words is "forty billion, three hundred forty-one million, nine hundred thirty-seven thousand, two hundred forty-three".