421465429 has 32 divisors (see below), whose sum is σ = 571023360. Its totient is φ = 301060800.

The previous prime is 421465417. The next prime is 421465441. The reversal of 421465429 is 924564124.

It is an interprime number because it is at equal distance from previous prime (421465417) and next prime (421465441).

It is a cyclic number.

It is not a de Polignac number, because 421465429 - 2⁵ = 421465397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421465459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40707 + ... + 49999.

It is an arithmetic number, because the mean of its divisors is an integer number (17844480).

Almost surely, 2^421465429 is an apocalyptic number.

It is an amenable number.

421465429 is a deficient number, since it is larger than the sum of its proper divisors (149557931).

421465429 is a wasteful number, since it uses less digits than its factorization.

421465429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9361.

The product of its digits is 69120, while the sum is 37.

The square root of 421465429 is about 20529.6232064790. The cubic root of 421465429 is about 749.7572126735.

The spelling of 421465429 in words is "four hundred twenty-one million, four hundred sixty-five thousand, four hundred twenty-nine".