420182296873 has 2 divisors, whose sum is σ = 420182296874. Its totient is φ = 420182296872.

The previous prime is 420182296769. The next prime is 420182296879. The reversal of 420182296873 is 378692281024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305242990144 + 114939306729 = 552488^2 + 339027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420182296873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420182296873.

It is not a weakly prime, because it can be changed into another prime (420182296879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210091148436 + 210091148437.

It is an arithmetic number, because the mean of its divisors is an integer number (210091148437).

Almost surely, 2^420182296873 is an apocalyptic number.

It is an amenable number.

420182296873 is a deficient number, since it is larger than the sum of its proper divisors (1).

420182296873 is an equidigital number, since it uses as much as digits as its factorization.

420182296873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 420182296873 in words is "four hundred twenty billion, one hundred eighty-two million, two hundred ninety-six thousand, eight hundred seventy-three".