420100742339 has 2 divisors, whose sum is σ = 420100742340. Its totient is φ = 420100742338.

The previous prime is 420100742317. The next prime is 420100742363. The reversal of 420100742339 is 933247001024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420100742339 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 420100742299 and 420100742308.

It is not a weakly prime, because it can be changed into another prime (420100742309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210050371169 + 210050371170.

It is an arithmetic number, because the mean of its divisors is an integer number (210050371170).

Almost surely, 2^420100742339 is an apocalyptic number.

420100742339 is a deficient number, since it is larger than the sum of its proper divisors (1).

420100742339 is an equidigital number, since it uses as much as digits as its factorization.

420100742339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 420100742339 in words is "four hundred twenty billion, one hundred million, seven hundred forty-two thousand, three hundred thirty-nine".