424444691 has 16 divisors (see below), whose sum is σ = 484351488. Its totient is φ = 368174400.

The previous prime is 424444673. The next prime is 424444693. The reversal of 424444691 is 196444424.

It is not a de Polignac number, because 424444691 - 2¹⁰ = 424443667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424444693) 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, 113786 + ... + 117456.

It is an arithmetic number, because the mean of its divisors is an integer number (30271968).

Almost surely, 2^424444691 is an apocalyptic number.

424444691 is a deficient number, since it is larger than the sum of its proper divisors (59906797).

424444691 is a wasteful number, since it uses less digits than its factorization.

424444691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162.

The product of its digits is 110592, while the sum is 38.

The square root of 424444691 is about 20602.0555042452. The cubic root of 424444691 is about 751.5196984608.

The spelling of 424444691 in words is "four hundred twenty-four million, four hundred forty-four thousand, six hundred ninety-one".