634474910473 has 2 divisors, whose sum is σ = 634474910474. Its totient is φ = 634474910472.

The previous prime is 634474910431. The next prime is 634474910561. The reversal of 634474910473 is 374019474436.

634474910473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605887878544 + 28587031929 = 778388^2 + 169077^2 .

It is a cyclic number.

It is not a de Polignac number, because 634474910473 - 2²⁹ = 633938039561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634474910473.

It is not a weakly prime, because it can be changed into another prime (634474914473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317237455236 + 317237455237.

It is an arithmetic number, because the mean of its divisors is an integer number (317237455237).

Almost surely, 2^634474910473 is an apocalyptic number.

It is an amenable number.

634474910473 is a deficient number, since it is larger than the sum of its proper divisors (1).

634474910473 is an equidigital number, since it uses as much as digits as its factorization.

634474910473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 634474910473 in words is "six hundred thirty-four billion, four hundred seventy-four million, nine hundred ten thousand, four hundred seventy-three".