6481435263 has 4 divisors (see below), whose sum is σ = 8641913688. Its totient is φ = 4320956840.

The previous prime is 6481435241. The next prime is 6481435307. The reversal of 6481435263 is 3625341846.

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 6481435263 - 2¹⁸ = 6481173119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6481433263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080239208 + ... + 1080239213.

It is an arithmetic number, because the mean of its divisors is an integer number (2160478422).

Almost surely, 2^6481435263 is an apocalyptic number.

6481435263 is a deficient number, since it is larger than the sum of its proper divisors (2160478425).

6481435263 is a wasteful number, since it uses less digits than its factorization.

6481435263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160478424.

The product of its digits is 414720, while the sum is 42.

The square root of 6481435263 is about 80507.3615453891. The cubic root of 6481435263 is about 1864.4771383448.

The spelling of 6481435263 in words is "six billion, four hundred eighty-one million, four hundred thirty-five thousand, two hundred sixty-three".