424773642161 has 32 divisors (see below), whose sum is σ = 500340903552. Its totient is φ = 356332584960.

The previous prime is 424773642157. The next prime is 424773642179. The reversal of 424773642161 is 161246377424.

It is not a de Polignac number, because 424773642161 - 2² = 424773642157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424773642121) 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 in 31 ways as a sum of consecutive naturals, for example, 1831445 + ... + 2050301.

It is an arithmetic number, because the mean of its divisors is an integer number (15635653236).

Almost surely, 2^424773642161 is an apocalyptic number.

It is an amenable number.

424773642161 is a deficient number, since it is larger than the sum of its proper divisors (75567261391).

424773642161 is a wasteful number, since it uses less digits than its factorization.

424773642161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219089.

The product of its digits is 1354752, while the sum is 47.

The spelling of 424773642161 in words is "four hundred twenty-four billion, seven hundred seventy-three million, six hundred forty-two thousand, one hundred sixty-one".