420591654357 has 16 divisors (see below), whose sum is σ = 640962557952. Its totient is φ = 240315217200.

The previous prime is 420591654347. The next prime is 420591654377. The reversal of 420591654357 is 753456195024.

It is not a de Polignac number, because 420591654357 - 2³² = 416296687061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420591654347) 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 15 ways as a sum of consecutive naturals, for example, 725769 + ... + 1169582.

It is an arithmetic number, because the mean of its divisors is an integer number (40060159872).

Almost surely, 2^420591654357 is an apocalyptic number.

It is an amenable number.

420591654357 is a deficient number, since it is larger than the sum of its proper divisors (220370903595).

420591654357 is a wasteful number, since it uses less digits than its factorization.

420591654357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905928.

The product of its (nonzero) digits is 4536000, while the sum is 51.

The spelling of 420591654357 in words is "four hundred twenty billion, five hundred ninety-one million, six hundred fifty-four thousand, three hundred fifty-seven".