421313650045 has 16 divisors (see below), whose sum is σ = 535332052080. Its totient is φ = 317214982144.

The previous prime is 421313650033. The next prime is 421313650049. The reversal of 421313650045 is 540056313124.

It can be written as a sum of positive squares in 8 ways, for example, as 38723155524 + 382590494521 = 196782^2 + 618539^2 .

It is not a de Polignac number, because 421313650045 - 2³⁵ = 386953911677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421313650049) 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, 4397169 + ... + 4491961.

It is an arithmetic number, because the mean of its divisors is an integer number (33458253255).

Almost surely, 2^421313650045 is an apocalyptic number.

It is an amenable number.

421313650045 is a deficient number, since it is larger than the sum of its proper divisors (114018402035).

421313650045 is a wasteful number, since it uses less digits than its factorization.

421313650045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147104.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 421313650045 its reverse (540056313124), we get a palindrome (961369963169).

The spelling of 421313650045 in words is "four hundred twenty-one billion, three hundred thirteen million, six hundred fifty thousand, forty-five".