6631434344 has 32 divisors (see below), whose sum is σ = 12626759520. Its totient is φ = 3264355776.

The previous prime is 6631434343. The next prime is 6631434367. The reversal of 6631434344 is 4434341366.

It is a junction number, because it is equal to n+sod(n) for n = 6631434298 and 6631434307.

It is not an unprimeable number, because it can be changed into a prime (6631434343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1650482 + ... + 1654494.

It is an arithmetic number, because the mean of its divisors is an integer number (394586235).

Almost surely, 2^6631434344 is an apocalyptic number.

It is an amenable number.

6631434344 is a deficient number, since it is larger than the sum of its proper divisors (5995325176).

6631434344 is a wasteful number, since it uses less digits than its factorization.

6631434344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169 (or 7165 counting only the distinct ones).

The product of its digits is 248832, while the sum is 38.

The square root of 6631434344 is about 81433.6192490546. The cubic root of 6631434344 is about 1878.7507114341.

The spelling of 6631434344 in words is "six billion, six hundred thirty-one million, four hundred thirty-four thousand, three hundred forty-four".