1263334434 has 32 divisors (see below), whose sum is σ = 2676007680. Its totient is φ = 396494352.

The previous prime is 1263334421. The next prime is 1263334469. The reversal of 1263334434 is 4344333621.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1263334395 and 1263334404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15412 + ... + 52575.

It is an arithmetic number, because the mean of its divisors is an integer number (83625240).

Almost surely, 2^1263334434 is an apocalyptic number.

1263334434 is an abundant number, since it is smaller than the sum of its proper divisors (1412673246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1263334434 is a wasteful number, since it uses less digits than its factorization.

1263334434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68174.

The product of its digits is 62208, while the sum is 33.

The square root of 1263334434 is about 35543.4161835916. The cubic root of 1263334434 is about 1081.0342270538.

The spelling of 1263334434 in words is "one billion, two hundred sixty-three million, three hundred thirty-four thousand, four hundred thirty-four".