634849948436 has 24 divisors (see below), whose sum is σ = 1212120346080. Its totient is φ = 288536234400.

The previous prime is 634849948409. The next prime is 634849948531.

634849948436 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393551 + ... + 1193558.

It is an arithmetic number, because the mean of its divisors is an integer number (50505014420).

Almost surely, 2^634849948436 is an apocalyptic number.

It is an amenable number.

634849948436 is a deficient number, since it is larger than the sum of its proper divisors (577270397644).

634849948436 is a wasteful number, since it uses less digits than its factorization.

634849948436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596215 (or 1596213 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 68.

The spelling of 634849948436 in words is "six hundred thirty-four billion, eight hundred forty-nine million, nine hundred forty-eight thousand, four hundred thirty-six".