6263485681 has 4 divisors (see below), whose sum is σ = 6265792000. Its totient is φ = 6261179364.

The previous prime is 6263485637. The next prime is 6263485693. The reversal of 6263485681 is 1865843626.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6263485681 - 2⁹ = 6263485169 is a prime.

It is a super-2 number, since 2×6263485681² = 78462505752184067522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6263485621) 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, 1149081 + ... + 1154518.

It is an arithmetic number, because the mean of its divisors is an integer number (1566448000).

Almost surely, 2^6263485681 is an apocalyptic number.

It is an amenable number.

6263485681 is a deficient number, since it is larger than the sum of its proper divisors (2306319).

6263485681 is a wasteful number, since it uses less digits than its factorization.

6263485681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306318.

The product of its digits is 1658880, while the sum is 49.

The square root of 6263485681 is about 79142.1864810418. The cubic root of 6263485681 is about 1843.3396422133.

The spelling of 6263485681 in words is "six billion, two hundred sixty-three million, four hundred eighty-five thousand, six hundred eighty-one".