40621235633611 has 2 divisors, whose sum is σ = 40621235633612. Its totient is φ = 40621235633610.

The previous prime is 40621235633609. The next prime is 40621235633621. The reversal of 40621235633611 is 11633653212604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40621235633611 - 2¹ = 40621235633609 is a prime.

Together with 40621235633609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40621235633621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20310617816805 + 20310617816806.

It is an arithmetic number, because the mean of its divisors is an integer number (20310617816806).

Almost surely, 2^{40621235633611} is an apocalyptic number.

40621235633611 is a deficient number, since it is larger than the sum of its proper divisors (1).

40621235633611 is an equidigital number, since it uses as much as digits as its factorization.

40621235633611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 40621235633611 in words is "forty trillion, six hundred twenty-one billion, two hundred thirty-five million, six hundred thirty-three thousand, six hundred eleven".