5673511505491 has 2 divisors, whose sum is σ = 5673511505492. Its totient is φ = 5673511505490.

The previous prime is 5673511505479. The next prime is 5673511505551. The reversal of 5673511505491 is 1945051153765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5673511505491 - 2¹³ = 5673511497299 is a prime.

It is not a weakly prime, because it can be changed into another prime (5673511505461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2836755752745 + 2836755752746.

It is an arithmetic number, because the mean of its divisors is an integer number (2836755752746).

Almost surely, 2^{5673511505491} is an apocalyptic number.

5673511505491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5673511505491 is an equidigital number, since it uses as much as digits as its factorization.

5673511505491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835000, while the sum is 52.

The spelling of 5673511505491 in words is "five trillion, six hundred seventy-three billion, five hundred eleven million, five hundred five thousand, four hundred ninety-one".