4550975591647 has 4 divisors (see below), whose sum is σ = 4563652404240. Its totient is φ = 4538298779056.

The previous prime is 4550975591633. The next prime is 4550975591699. The reversal of 4550975591647 is 7461955790554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4550975591647 - 2¹⁵ = 4550975558879 is a prime.

It is a super-2 number, since 2×4550975591647² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550975591047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6338405758 + ... + 6338406475.

It is an arithmetic number, because the mean of its divisors is an integer number (1140913101060).

Almost surely, 2^{4550975591647} is an apocalyptic number.

4550975591647 is a deficient number, since it is larger than the sum of its proper divisors (12676812593).

4550975591647 is a wasteful number, since it uses less digits than its factorization.

4550975591647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12676812592.

The product of its (nonzero) digits is 238140000, while the sum is 67.

The spelling of 4550975591647 in words is "four trillion, five hundred fifty billion, nine hundred seventy-five million, five hundred ninety-one thousand, six hundred forty-seven".