4631552644 has 12 divisors (see below), whose sum is σ = 8366675968. Its totient is φ = 2241073800.

The previous prime is 4631552633. The next prime is 4631552669. The reversal of 4631552644 is 4462551364.

It is a junction number, because it is equal to n+sod(n) for n = 4631552597 and 4631552606.

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, 18675492 + ... + 18675739.

Almost surely, 2^4631552644 is an apocalyptic number.

It is an amenable number.

4631552644 is a deficient number, since it is larger than the sum of its proper divisors (3735123324).

4631552644 is a wasteful number, since it uses less digits than its factorization.

4631552644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37351266 (or 37351264 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 4631552644 is about 68055.5114887839. The cubic root of 4631552644 is about 1666.8973964479.

The spelling of 4631552644 in words is "four billion, six hundred thirty-one million, five hundred fifty-two thousand, six hundred forty-four".