434963691 has 12 divisors (see below), whose sum is σ = 632045232. Its totient is φ = 288238416.

The previous prime is 434963689. The next prime is 434963723. The reversal of 434963691 is 196369434.

434963691 is a `hidden beast` number, since 4 + 3 + 4 + 9 + 636 + 9 + 1 = 666.

It is not a de Polignac number, because 434963691 - 2¹ = 434963689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434963621) 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, 143196 + ... + 146201.

It is an arithmetic number, because the mean of its divisors is an integer number (52670436).

Almost surely, 2^434963691 is an apocalyptic number.

434963691 is a deficient number, since it is larger than the sum of its proper divisors (197081541).

434963691 is a wasteful number, since it uses less digits than its factorization.

434963691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289570 (or 289567 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 434963691 is about 20855.7831547991. The cubic root of 434963691 is about 757.6774031447.

The spelling of 434963691 in words is "four hundred thirty-four million, nine hundred sixty-three thousand, six hundred ninety-one".