634434343434436 has 12 divisors (see below), whose sum is σ = 1146074942978560. Its totient is φ = 306984359726280.

The previous prime is 634434343434407. The next prime is 634434343434461.

634434343434436 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×634434343434436² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2558202997596 + ... + 2558202997843.

Almost surely, 2^{634434343434436} is an apocalyptic number.

It is an amenable number.

634434343434436 is a deficient number, since it is larger than the sum of its proper divisors (511640599544124).

634434343434436 is a wasteful number, since it uses less digits than its factorization.

634434343434436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116405995474 (or 5116405995472 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 58.

The spelling of 634434343434436 in words is "six hundred thirty-four trillion, four hundred thirty-four billion, three hundred forty-three million, four hundred thirty-four thousand, four hundred thirty-six".