431124142049 has 2 divisors, whose sum is σ = 431124142050. Its totient is φ = 431124142048.

The previous prime is 431124142021. The next prime is 431124142069. The reversal of 431124142049 is 940241421134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309781296400 + 121342845649 = 556580^2 + 348343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431124142049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (431124142069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215562071024 + 215562071025.

It is an arithmetic number, because the mean of its divisors is an integer number (215562071025).

Almost surely, 2^431124142049 is an apocalyptic number.

It is an amenable number.

431124142049 is a deficient number, since it is larger than the sum of its proper divisors (1).

431124142049 is an equidigital number, since it uses as much as digits as its factorization.

431124142049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 431124142049 in words is "four hundred thirty-one billion, one hundred twenty-four million, one hundred forty-two thousand, forty-nine".