74404211131213 has 2 divisors, whose sum is σ = 74404211131214. Its totient is φ = 74404211131212.

The previous prime is 74404211131157. The next prime is 74404211131247. The reversal of 74404211131213 is 31213111240447.

It is an a-pointer prime, because the next prime (74404211131247) can be obtained adding 74404211131213 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39186122653924 + 35218088477289 = 6259882^2 + 5934483^2 .

It is an emirp because it is prime and its reverse (31213111240447) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74404211131213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74404211111213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37202105565606 + 37202105565607.

It is an arithmetic number, because the mean of its divisors is an integer number (37202105565607).

Almost surely, 2^{74404211131213} is an apocalyptic number.

It is an amenable number.

74404211131213 is a deficient number, since it is larger than the sum of its proper divisors (1).

74404211131213 is an equidigital number, since it uses as much as digits as its factorization.

74404211131213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 74404211131213 in words is "seventy-four trillion, four hundred four billion, two hundred eleven million, one hundred thirty-one thousand, two hundred thirteen".