40658633683 has 2 divisors, whose sum is σ = 40658633684. Its totient is φ = 40658633682.

The previous prime is 40658633681. The next prime is 40658633707. The reversal of 40658633683 is 38633685604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40658633683 - 2¹ = 40658633681 is a prime.

Together with 40658633681, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40658633683.

It is not a weakly prime, because it can be changed into another prime (40658633681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20329316841 + 20329316842.

It is an arithmetic number, because the mean of its divisors is an integer number (20329316842).

Almost surely, 2^40658633683 is an apocalyptic number.

40658633683 is a deficient number, since it is larger than the sum of its proper divisors (1).

40658633683 is an equidigital number, since it uses as much as digits as its factorization.

40658633683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 40658633683 in words is "forty billion, six hundred fifty-eight million, six hundred thirty-three thousand, six hundred eighty-three".