421146465 has 16 divisors (see below), whose sum is σ = 690270336. Its totient is φ = 219132800.

The previous prime is 421146449. The next prime is 421146521. The reversal of 421146465 is 564641124.

It is not a de Polignac number, because 421146465 - 2⁴ = 421146449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341781 + ... + 343010.

It is an arithmetic number, because the mean of its divisors is an integer number (43141896).

Almost surely, 2^421146465 is an apocalyptic number.

It is an amenable number.

421146465 is a deficient number, since it is larger than the sum of its proper divisors (269123871).

421146465 is a wasteful number, since it uses less digits than its factorization.

421146465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684840.

The product of its digits is 23040, while the sum is 33.

The square root of 421146465 is about 20521.8533519758. The cubic root of 421146465 is about 749.5680268022.

Adding to 421146465 its reverse (564641124), we get a palindrome (985787589).

The spelling of 421146465 in words is "four hundred twenty-one million, one hundred forty-six thousand, four hundred sixty-five".