634283147863 has 8 divisors (see below), whose sum is σ = 639432985680. Its totient is φ = 629140847040.

The previous prime is 634283147837. The next prime is 634283147879. The reversal of 634283147863 is 368741382436.

It is a happy number.

634283147863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634283147863 - 2³⁷ = 496844194391 is a prime.

It is a super-2 number, since 2×634283147863² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634283147063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715193 + ... + 2051938.

It is an arithmetic number, because the mean of its divisors is an integer number (79929123210).

Almost surely, 2^634283147863 is an apocalyptic number.

634283147863 is a deficient number, since it is larger than the sum of its proper divisors (5149837817).

634283147863 is a wasteful number, since it uses less digits than its factorization.

634283147863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768497.

The product of its digits is 13934592, while the sum is 55.

The spelling of 634283147863 in words is "six hundred thirty-four billion, two hundred eighty-three million, one hundred forty-seven thousand, eight hundred sixty-three".