3774440774129 has 2 divisors, whose sum is σ = 3774440774130. Its totient is φ = 3774440774128.

The previous prime is 3774440773997. The next prime is 3774440774131. The reversal of 3774440774129 is 9214770444773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1904800221025 + 1869640553104 = 1380145^2 + 1367348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3774440774129 is a prime.

Together with 3774440774131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3774440774149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887220387064 + 1887220387065.

It is an arithmetic number, because the mean of its divisors is an integer number (1887220387065).

Almost surely, 2^{3774440774129} is an apocalyptic number.

It is an amenable number.

3774440774129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3774440774129 is an equidigital number, since it uses as much as digits as its factorization.

3774440774129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33191424, while the sum is 59.

The spelling of 3774440774129 in words is "three trillion, seven hundred seventy-four billion, four hundred forty million, seven hundred seventy-four thousand, one hundred twenty-nine".