426628953 has 6 divisors (see below), whose sum is σ = 616241834. Its totient is φ = 284419296.

The previous prime is 426628933. The next prime is 426628963. The reversal of 426628953 is 359826624.

It can be written as a sum of positive squares in only one way, i.e., 282340809 + 144288144 = 16803^2 + 12012^2 .

It is not a de Polignac number, because 426628953 - 2⁵ = 426628921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426628899 and 426628908.

It is not an unprimeable number, because it can be changed into a prime (426628933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23701600 + ... + 23701617.

Almost surely, 2^426628953 is an apocalyptic number.

It is an amenable number.

426628953 is a deficient number, since it is larger than the sum of its proper divisors (189612881).

426628953 is a wasteful number, since it uses less digits than its factorization.

426628953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47403223 (or 47403220 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 426628953 is about 20654.9982570805. The cubic root of 426628953 is about 752.8066412518.

It can be divided in two parts, 42662 and 8953, that added together give a palindrome (51615).

The spelling of 426628953 in words is "four hundred twenty-six million, six hundred twenty-eight thousand, nine hundred fifty-three".