420829456239 has 32 divisors (see below), whose sum is σ = 638867174400. Its totient is φ = 273620214720.

The previous prime is 420829456141. The next prime is 420829456241. The reversal of 420829456239 is 932654928024.

420829456239 is a `hidden beast` number, since 4 + 2 + 0 + 8 + 2 + 9 + 4 + 5 + 623 + 9 = 666.

It is not a de Polignac number, because 420829456239 - 2⁸ = 420829455983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420829456259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3391792 + ... + 3513674.

It is an arithmetic number, because the mean of its divisors is an integer number (19964599200).

Almost surely, 2^420829456239 is an apocalyptic number.

420829456239 is a deficient number, since it is larger than the sum of its proper divisors (218037718161).

420829456239 is a wasteful number, since it uses less digits than its factorization.

420829456239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125052 (or 125046 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 420829456239 in words is "four hundred twenty billion, eight hundred twenty-nine million, four hundred fifty-six thousand, two hundred thirty-nine".