424474131787775 has 12 divisors (see below), whose sum is σ = 538588572799992. Its totient is φ = 331682112279840.

The previous prime is 424474131787763. The next prime is 424474131787777. The reversal of 424474131787775 is 577787131474424.

It is not a de Polignac number, because 424474131787775 - 2²⁰ = 424474130739199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424474131787699 and 424474131787708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424474131787777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197429827664 + ... + 197429829813.

It is an arithmetic number, because the mean of its divisors is an integer number (44882381066666).

Almost surely, 2^{424474131787775} is an apocalyptic number.

424474131787775 is a deficient number, since it is larger than the sum of its proper divisors (114114441012217).

424474131787775 is a wasteful number, since it uses less digits than its factorization.

424474131787775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394859657530 (or 394859657525 counting only the distinct ones).

The product of its digits is 1032622080, while the sum is 71.

The spelling of 424474131787775 in words is "four hundred twenty-four trillion, four hundred seventy-four billion, one hundred thirty-one million, seven hundred eighty-seven thousand, seven hundred seventy-five".