420927453 has 12 divisors (see below), whose sum is σ = 608194080. Its totient is φ = 280531656.

The previous prime is 420927413. The next prime is 420927457. The reversal of 420927453 is 354729024.

It is a de Polignac number, because none of the positive numbers 2^k-420927453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420927457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39358 + ... + 48896.

It is an arithmetic number, because the mean of its divisors is an integer number (50682840).

Almost surely, 2^420927453 is an apocalyptic number.

It is an amenable number.

420927453 is a deficient number, since it is larger than the sum of its proper divisors (187266627).

420927453 is a wasteful number, since it uses less digits than its factorization.

420927453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448 (or 14445 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 420927453 is about 20516.5165902987. The cubic root of 420927453 is about 749.4380697510.

The spelling of 420927453 in words is "four hundred twenty million, nine hundred twenty-seven thousand, four hundred fifty-three".