4643626436 has 12 divisors (see below), whose sum is σ = 8134312620. Its totient is φ = 2319537120.

The previous prime is 4643626409. The next prime is 4643626457. The reversal of 4643626436 is 6346263464.

It can be written as a sum of positive squares in 2 ways, for example, as 1699912900 + 2943713536 = 41230^2 + 54256^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564431 + ... + 572598.

It is an arithmetic number, because the mean of its divisors is an integer number (677859385).

Almost surely, 2^4643626436 is an apocalyptic number.

It is an amenable number.

4643626436 is a deficient number, since it is larger than the sum of its proper divisors (3490686184).

4643626436 is a wasteful number, since it uses less digits than its factorization.

4643626436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138054 (or 1138052 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 44.

The square root of 4643626436 is about 68144.1592214623. The cubic root of 4643626436 is about 1668.3445936009.

The spelling of 4643626436 in words is "four billion, six hundred forty-three million, six hundred twenty-six thousand, four hundred thirty-six".