634424842383 has 16 divisors (see below), whose sum is σ = 856257288192. Its totient is φ = 417790580000.

The previous prime is 634424842351. The next prime is 634424842417. The reversal of 634424842383 is 383248424436.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 634424842383 - 2⁵ = 634424842351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634424843383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298423 + ... + 2559608.

It is an arithmetic number, because the mean of its divisors is an integer number (53516080512).

Almost surely, 2^634424842383 is an apocalyptic number.

634424842383 is a deficient number, since it is larger than the sum of its proper divisors (221832445809).

634424842383 is a wasteful number, since it uses less digits than its factorization.

634424842383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858566.

The product of its digits is 10616832, while the sum is 51.

The spelling of 634424842383 in words is "six hundred thirty-four billion, four hundred twenty-four million, eight hundred forty-two thousand, three hundred eighty-three".