3181049454629 has 2 divisors, whose sum is σ = 3181049454630. Its totient is φ = 3181049454628.

The previous prime is 3181049454619. The next prime is 3181049454631. The reversal of 3181049454629 is 9264549401813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3166744816225 + 14304638404 = 1779535^2 + 119602^2 .

It is a cyclic number.

It is not a de Polignac number, because 3181049454629 - 2¹² = 3181049450533 is a prime.

It is a Sophie Germain prime.

Together with 3181049454631, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3181049454619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1590524727314 + 1590524727315.

It is an arithmetic number, because the mean of its divisors is an integer number (1590524727315).

Almost surely, 2^{3181049454629} is an apocalyptic number.

It is an amenable number.

3181049454629 is a deficient number, since it is larger than the sum of its proper divisors (1).

3181049454629 is an equidigital number, since it uses as much as digits as its factorization.

3181049454629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 3181049454629 in words is "three trillion, one hundred eighty-one billion, forty-nine million, four hundred fifty-four thousand, six hundred twenty-nine".