3144387236491 has 2 divisors, whose sum is σ = 3144387236492. Its totient is φ = 3144387236490.

The previous prime is 3144387236477. The next prime is 3144387236519. The reversal of 3144387236491 is 1946327834413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3144387236491 - 2¹³ = 3144387228299 is a prime.

It is not a weakly prime, because it can be changed into another prime (3144387236191) 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, 1572193618245 + 1572193618246.

It is an arithmetic number, because the mean of its divisors is an integer number (1572193618246).

Almost surely, 2^{3144387236491} is an apocalyptic number.

3144387236491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144387236491 is an equidigital number, since it uses as much as digits as its factorization.

3144387236491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 55.

The spelling of 3144387236491 in words is "three trillion, one hundred forty-four billion, three hundred eighty-seven million, two hundred thirty-six thousand, four hundred ninety-one".