420954619902 has 8 divisors (see below), whose sum is σ = 841909239816. Its totient is φ = 140318206632.

The previous prime is 420954619901. The next prime is 420954619903. The reversal of 420954619902 is 209916459024.

It is an interprime number because it is at equal distance from previous prime (420954619901) and next prime (420954619903).

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

420954619902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420954619901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35079551653 + ... + 35079551664.

It is an arithmetic number, because the mean of its divisors is an integer number (105238654977).

Almost surely, 2^420954619902 is an apocalyptic number.

420954619902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420954619902 is a wasteful number, since it uses less digits than its factorization.

420954619902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70159103322.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 420954619902 in words is "four hundred twenty billion, nine hundred fifty-four million, six hundred nineteen thousand, nine hundred two".