420235710789 has 8 divisors (see below), whose sum is σ = 560329625152. Its totient is φ = 280149468480.

The previous prime is 420235710787. The next prime is 420235710823. The reversal of 420235710789 is 987017532024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420235710789 - 2¹ = 420235710787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420235710787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788964 + ... + 2010189.

It is an arithmetic number, because the mean of its divisors is an integer number (70041203144).

Almost surely, 2^420235710789 is an apocalyptic number.

It is an amenable number.

420235710789 is a deficient number, since it is larger than the sum of its proper divisors (140093914363).

420235710789 is a wasteful number, since it uses less digits than its factorization.

420235710789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836027.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 420235710789 in words is "four hundred twenty billion, two hundred thirty-five million, seven hundred ten thousand, seven hundred eighty-nine".