2450161791 has 120 divisors (see below), whose sum is σ = 4671862272. Its totient is φ = 1252389600.

The previous prime is 2450161783. The next prime is 2450161817. The reversal of 2450161791 is 1971610542.

2450161791 is a `hidden beast` number, since 2 + 4 + 501 + 61 + 7 + 91 = 666.

It is not a de Polignac number, because 2450161791 - 2³ = 2450161783 is a prime.

Together with 2221700481 it forms an amicable pair .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2450161991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4870846 + ... + 4871348.

Almost surely, 2^2450161791 is an apocalyptic number.

2450161791 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2450161791 is a deficient number, since it is larger than the sum of its proper divisors (2221700481).

2450161791 is a wasteful number, since it uses less digits than its factorization.

2450161791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 2450161791 is about 49499.1089919809. The cubic root of 2450161791 is about 1348.1294241200.

The spelling of 2450161791 in words is "two billion, four hundred fifty million, one hundred sixty-one thousand, seven hundred ninety-one".