424734819 has 4 divisors (see below), whose sum is σ = 566313096. Its totient is φ = 283156544.

The previous prime is 424734799. The next prime is 424734823. The reversal of 424734819 is 918437424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424734819 - 2²¹ = 422637667 is a prime.

It is a super-2 number, since 2×424734819² = 360799332941925522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (424734019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70789134 + ... + 70789139.

It is an arithmetic number, because the mean of its divisors is an integer number (141578274).

Almost surely, 2^424734819 is an apocalyptic number.

424734819 is a deficient number, since it is larger than the sum of its proper divisors (141578277).

424734819 is a wasteful number, since it uses less digits than its factorization.

424734819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141578276.

The product of its digits is 193536, while the sum is 42.

The square root of 424734819 is about 20609.0955405617. The cubic root of 424734819 is about 751.6908925339.

The spelling of 424734819 in words is "four hundred twenty-four million, seven hundred thirty-four thousand, eight hundred nineteen".