40614517663 has 2 divisors, whose sum is σ = 40614517664. Its totient is φ = 40614517662.

The previous prime is 40614517651. The next prime is 40614517703. The reversal of 40614517663 is 36671541604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40614517663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40614517633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20307258831 + 20307258832.

It is an arithmetic number, because the mean of its divisors is an integer number (20307258832).

Almost surely, 2^40614517663 is an apocalyptic number.

40614517663 is a deficient number, since it is larger than the sum of its proper divisors (1).

40614517663 is an equidigital number, since it uses as much as digits as its factorization.

40614517663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 40614517663 in words is "forty billion, six hundred fourteen million, five hundred seventeen thousand, six hundred sixty-three".