4643640314512 has 10 divisors (see below), whose sum is σ = 8997053109398. Its totient is φ = 2321820157248.

The previous prime is 4643640314501. The next prime is 4643640314539. The reversal of 4643640314512 is 2154130463464.

It can be written as a sum of positive squares in only one way, i.e., 3776477075856 + 867163238656 = 1943316^2 + 931216^2 .

It is a super-2 number, since 2×4643640314512² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145113759813 + ... + 145113759844.

Almost surely, 2^{4643640314512} is an apocalyptic number.

It is an amenable number.

4643640314512 is a deficient number, since it is larger than the sum of its proper divisors (4353412794886).

4643640314512 is a wasteful number, since it uses less digits than its factorization.

4643640314512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290227519665 (or 290227519659 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 4643640314512 its reverse (2154130463464), we get a palindrome (6797770777976).

The spelling of 4643640314512 in words is "four trillion, six hundred forty-three billion, six hundred forty million, three hundred fourteen thousand, five hundred twelve".