40361666999 has 2 divisors, whose sum is σ = 40361667000. Its totient is φ = 40361666998.

The previous prime is 40361666981. The next prime is 40361667013. The reversal of 40361666999 is 99966616304.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40361666999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40361666299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20180833499 + 20180833500.

It is an arithmetic number, because the mean of its divisors is an integer number (20180833500).

Almost surely, 2^40361666999 is an apocalyptic number.

40361666999 is a deficient number, since it is larger than the sum of its proper divisors (1).

40361666999 is an equidigital number, since it uses as much as digits as its factorization.

40361666999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11337408, while the sum is 59.

The spelling of 40361666999 in words is "forty billion, three hundred sixty-one million, six hundred sixty-six thousand, nine hundred ninety-nine".