4550512939691 has 2 divisors, whose sum is σ = 4550512939692. Its totient is φ = 4550512939690.

The previous prime is 4550512939669. The next prime is 4550512939727. The reversal of 4550512939691 is 1969392150554.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4550512939691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4550512939691.

It is not a weakly prime, because it can be changed into another prime (4550512939591) 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, 2275256469845 + 2275256469846.

It is an arithmetic number, because the mean of its divisors is an integer number (2275256469846).

Almost surely, 2^{4550512939691} is an apocalyptic number.

4550512939691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4550512939691 is an equidigital number, since it uses as much as digits as its factorization.

4550512939691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122000, while the sum is 59.

The spelling of 4550512939691 in words is "four trillion, five hundred fifty billion, five hundred twelve million, nine hundred thirty-nine thousand, six hundred ninety-one".