420032751329 has 2 divisors, whose sum is σ = 420032751330. Its totient is φ = 420032751328.

The previous prime is 420032751301. The next prime is 420032751353. The reversal of 420032751329 is 923157230024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419774410000 + 258341329 = 647900^2 + 16073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420032751329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420032751292 and 420032751301.

It is not a weakly prime, because it can be changed into another prime (420032751379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210016375664 + 210016375665.

It is an arithmetic number, because the mean of its divisors is an integer number (210016375665).

Almost surely, 2^420032751329 is an apocalyptic number.

It is an amenable number.

420032751329 is a deficient number, since it is larger than the sum of its proper divisors (1).

420032751329 is an equidigital number, since it uses as much as digits as its factorization.

420032751329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 420032751329 in words is "four hundred twenty billion, thirty-two million, seven hundred fifty-one thousand, three hundred twenty-nine".