431124133635641 has 4 divisors (see below), whose sum is σ = 441639356407284. Its totient is φ = 420608910864000.

The previous prime is 431124133635593. The next prime is 431124133635691. The reversal of 431124133635641 is 146536331421134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137773014405625 + 293351119230016 = 11737675^2 + 17127496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431124133635641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431124133635691) 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, 5257611385760 + ... + 5257611385841.

It is an arithmetic number, because the mean of its divisors is an integer number (110409839101821).

Almost surely, 2^{431124133635641} is an apocalyptic number.

431124133635641 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

431124133635641 is a deficient number, since it is larger than the sum of its proper divisors (10515222771643).

431124133635641 is a wasteful number, since it uses less digits than its factorization.

431124133635641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10515222771642.

The product of its digits is 1866240, while the sum is 47.

The spelling of 431124133635641 in words is "four hundred thirty-one trillion, one hundred twenty-four billion, one hundred thirty-three million, six hundred thirty-five thousand, six hundred forty-one".