263463434 has 24 divisors (see below), whose sum is σ = 440813100. Its totient is φ = 117395712.

The previous prime is 263463383. The next prime is 263463503. The reversal of 263463434 is 434364362.

It can be written as a sum of positive squares in 6 ways, for example, as 112296409 + 151167025 = 10597^2 + 12295^2 .

It is a junction number, because it is equal to n+sod(n) for n = 263463394 and 263463403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15842 + ... + 27890.

Almost surely, 2^263463434 is an apocalyptic number.

263463434 is a deficient number, since it is larger than the sum of its proper divisors (177349666).

263463434 is a wasteful number, since it uses less digits than its factorization.

263463434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12122 (or 12093 counting only the distinct ones).

The product of its digits is 124416, while the sum is 35.

The square root of 263463434 is about 16231.5567337209. The cubic root of 263463434 is about 641.0719616640.

The spelling of 263463434 in words is "two hundred sixty-three million, four hundred sixty-three thousand, four hundred thirty-four".