4631997952 has 20 divisors (see below), whose sum is σ = 9254950056. Its totient is φ = 2315998720.

The previous prime is 4631997947. The next prime is 4631997961. The reversal of 4631997952 is 2597991364.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4631997893 and 4631997902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4522924 + ... + 4523947.

Almost surely, 2^4631997952 is an apocalyptic number.

It is an amenable number.

4631997952 is a deficient number, since it is larger than the sum of its proper divisors (4622952104).

4631997952 is an frugal number, since it uses more digits than its factorization.

4631997952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046889 (or 9046873 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 55.

The square root of 4631997952 is about 68058.7830628788. The cubic root of 4631997952 is about 1666.9508169035.

The spelling of 4631997952 in words is "four billion, six hundred thirty-one million, nine hundred ninety-seven thousand, nine hundred fifty-two".