6631211452 has 6 divisors (see below), whose sum is σ = 11604620048. Its totient is φ = 3315605724.

The previous prime is 6631211429. The next prime is 6631211467. The reversal of 6631211452 is 2541121366.

It is a happy number.

It is a super-2 number, since 2×6631211452² = 87945930642271896608, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 828901428 + ... + 828901435.

Almost surely, 2^6631211452 is an apocalyptic number.

It is an amenable number.

6631211452 is a deficient number, since it is larger than the sum of its proper divisors (4973408596).

6631211452 is a wasteful number, since it uses less digits than its factorization.

6631211452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657802867 (or 1657802865 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 6631211452 is about 81432.2506873045. The cubic root of 6631211452 is about 1878.7296620314.

The spelling of 6631211452 in words is "six billion, six hundred thirty-one million, two hundred eleven thousand, four hundred fifty-two".