4550191977 has 4 divisors (see below), whose sum is σ = 6066922640. Its totient is φ = 3033461316.

The previous prime is 4550191927. The next prime is 4550192033. The reversal of 4550191977 is 7791910554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4550191977 - 2¹⁴ = 4550175593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4550191927) 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, 758365327 + ... + 758365332.

It is an arithmetic number, because the mean of its divisors is an integer number (1516730660).

Almost surely, 2^4550191977 is an apocalyptic number.

It is an amenable number.

4550191977 is a deficient number, since it is larger than the sum of its proper divisors (1516730663).

4550191977 is a wasteful number, since it uses less digits than its factorization.

4550191977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516730662.

The product of its (nonzero) digits is 396900, while the sum is 48.

The square root of 4550191977 is about 67455.1108293508. The cubic root of 4550191977 is about 1657.0791012612.

The spelling of 4550191977 in words is "four billion, five hundred fifty million, one hundred ninety-one thousand, nine hundred seventy-seven".