40361667013 has 2 divisors, whose sum is σ = 40361667014. Its totient is φ = 40361667012.

The previous prime is 40361666999. The next prime is 40361667037. The reversal of 40361667013 is 31076616304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39307820644 + 1053846369 = 198262^2 + 32463^2 .

It is a cyclic number.

It is not a de Polignac number, because 40361667013 - 2⁵ = 40361666981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40361667083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20180833506 + 20180833507.

It is an arithmetic number, because the mean of its divisors is an integer number (20180833507).

Almost surely, 2^40361667013 is an apocalyptic number.

It is an amenable number.

40361667013 is a deficient number, since it is larger than the sum of its proper divisors (1).

40361667013 is an equidigital number, since it uses as much as digits as its factorization.

40361667013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 40361667013 in words is "forty billion, three hundred sixty-one million, six hundred sixty-seven thousand, thirteen".