634048544687 has 2 divisors, whose sum is σ = 634048544688. Its totient is φ = 634048544686.

The previous prime is 634048544683. The next prime is 634048544729. The reversal of 634048544687 is 786445840436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634048544687 - 2² = 634048544683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634048544683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317024272343 + 317024272344.

It is an arithmetic number, because the mean of its divisors is an integer number (317024272344).

Almost surely, 2^634048544687 is an apocalyptic number.

634048544687 is a deficient number, since it is larger than the sum of its proper divisors (1).

634048544687 is an equidigital number, since it uses as much as digits as its factorization.

634048544687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61931520, while the sum is 59.

The spelling of 634048544687 in words is "six hundred thirty-four billion, forty-eight million, five hundred forty-four thousand, six hundred eighty-seven".