420742112047 has 2 divisors, whose sum is σ = 420742112048. Its totient is φ = 420742112046.

The previous prime is 420742112023. The next prime is 420742112113. The reversal of 420742112047 is 740211247024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420742112047 - 2¹⁵ = 420742079279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420742112347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210371056023 + 210371056024.

It is an arithmetic number, because the mean of its divisors is an integer number (210371056024).

Almost surely, 2^420742112047 is an apocalyptic number.

420742112047 is a deficient number, since it is larger than the sum of its proper divisors (1).

420742112047 is an equidigital number, since it uses as much as digits as its factorization.

420742112047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 34.

The spelling of 420742112047 in words is "four hundred twenty billion, seven hundred forty-two million, one hundred twelve thousand, forty-seven".