420994695 has 48 divisors (see below), whose sum is σ = 760525920. Its totient is φ = 198570240.

The previous prime is 420994687. The next prime is 420994699. The reversal of 420994695 is 596499024.

It is not a de Polignac number, because 420994695 - 2³ = 420994687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420994699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64021 + ... + 70289.

It is an arithmetic number, because the mean of its divisors is an integer number (15844290).

Almost surely, 2^420994695 is an apocalyptic number.

420994695 is a deficient number, since it is larger than the sum of its proper divisors (339531225).

420994695 is a wasteful number, since it uses less digits than its factorization.

420994695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6336 (or 6325 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 420994695 is about 20518.1552533360. The cubic root of 420994695 is about 749.4779745146.

The spelling of 420994695 in words is "four hundred twenty million, nine hundred ninety-four thousand, six hundred ninety-five".