420300140929 has 2 divisors, whose sum is σ = 420300140930. Its totient is φ = 420300140928.

The previous prime is 420300140927. The next prime is 420300140957. The reversal of 420300140929 is 929041003024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231880771600 + 188419369329 = 481540^2 + 434073^2 .

It is a cyclic number.

It is not a de Polignac number, because 420300140929 - 2¹ = 420300140927 is a prime.

Together with 420300140927, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 420300140894 and 420300140903.

It is not a weakly prime, because it can be changed into another prime (420300140927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210150070464 + 210150070465.

It is an arithmetic number, because the mean of its divisors is an integer number (210150070465).

Almost surely, 2^420300140929 is an apocalyptic number.

It is an amenable number.

420300140929 is a deficient number, since it is larger than the sum of its proper divisors (1).

420300140929 is an equidigital number, since it uses as much as digits as its factorization.

420300140929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 420300140929 in words is "four hundred twenty billion, three hundred million, one hundred forty thousand, nine hundred twenty-nine".