40323102949 has 2 divisors, whose sum is σ = 40323102950. Its totient is φ = 40323102948.

The previous prime is 40323102877. The next prime is 40323103019. The reversal of 40323102949 is 94920132304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25645780449 + 14677322500 = 160143^2 + 121150^2 .

It is a cyclic number.

It is not a de Polignac number, because 40323102949 - 2⁹ = 40323102437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40323102049) 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, 20161551474 + 20161551475.

It is an arithmetic number, because the mean of its divisors is an integer number (20161551475).

Almost surely, 2^40323102949 is an apocalyptic number.

It is an amenable number.

40323102949 is a deficient number, since it is larger than the sum of its proper divisors (1).

40323102949 is an equidigital number, since it uses as much as digits as its factorization.

40323102949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 40323102949 in words is "forty billion, three hundred twenty-three million, one hundred two thousand, nine hundred forty-nine".