635774628052 has 12 divisors (see below), whose sum is σ = 1112751300640. Its totient is φ = 317845685016.

The previous prime is 635774628037. The next prime is 635774628079. The reversal of 635774628052 is 250826477536.

It is a junction number, because it is equal to n+sod(n) for n = 635774627984 and 635774628002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10372878 + ... + 10433989.

Almost surely, 2^635774628052 is an apocalyptic number.

It is an amenable number.

635774628052 is a deficient number, since it is larger than the sum of its proper divisors (476976672588).

635774628052 is a wasteful number, since it uses less digits than its factorization.

635774628052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20814510 (or 20814508 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 635774628052 in words is "six hundred thirty-five billion, seven hundred seventy-four million, six hundred twenty-eight thousand, fifty-two".