420453772473 has 16 divisors (see below), whose sum is σ = 643943710080. Its totient is φ = 239039705856.

The previous prime is 420453772421. The next prime is 420453772481. The reversal of 420453772473 is 374277354024.

It is not a de Polignac number, because 420453772473 - 2¹⁰ = 420453771449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420453722473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50812128 + ... + 50820401.

It is an arithmetic number, because the mean of its divisors is an integer number (40246481880).

Almost surely, 2^420453772473 is an apocalyptic number.

It is an amenable number.

420453772473 is a deficient number, since it is larger than the sum of its proper divisors (223489937607).

420453772473 is a wasteful number, since it uses less digits than its factorization.

420453772473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101632736.

The product of its (nonzero) digits is 3951360, while the sum is 48.

The spelling of 420453772473 in words is "four hundred twenty billion, four hundred fifty-three million, seven hundred seventy-two thousand, four hundred seventy-three".