431423124049 has 2 divisors, whose sum is σ = 431423124050. Its totient is φ = 431423124048.

The previous prime is 431423124031. The next prime is 431423124131. The reversal of 431423124049 is 940421324134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246419909649 + 185003214400 = 496407^2 + 430120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431423124049 is a prime.

It is a super-2 number, since 2×431423124049² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431423123999 and 431423124017.

It is not a weakly prime, because it can be changed into another prime (431423154049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215711562024 + 215711562025.

It is an arithmetic number, because the mean of its divisors is an integer number (215711562025).

Almost surely, 2^431423124049 is an apocalyptic number.

It is an amenable number.

431423124049 is a deficient number, since it is larger than the sum of its proper divisors (1).

431423124049 is an equidigital number, since it uses as much as digits as its factorization.

431423124049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 431423124049 in words is "four hundred thirty-one billion, four hundred twenty-three million, one hundred twenty-four thousand, forty-nine".