420954733885 has 8 divisors (see below), whose sum is σ = 577309349376. Its totient is φ = 288654674640.

The previous prime is 420954733877. The next prime is 420954733931. The reversal of 420954733885 is 588337459024.

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 420954733885 - 2³ = 420954733877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6013639021 + ... + 6013639090.

It is an arithmetic number, because the mean of its divisors is an integer number (72163668672).

Almost surely, 2^420954733885 is an apocalyptic number.

It is an amenable number.

420954733885 is a deficient number, since it is larger than the sum of its proper divisors (156354615491).

420954733885 is a wasteful number, since it uses less digits than its factorization.

420954733885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12027278123.

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 420954733885 in words is "four hundred twenty billion, nine hundred fifty-four million, seven hundred thirty-three thousand, eight hundred eighty-five".