1447666457252 has 12 divisors (see below), whose sum is σ = 2569098220416. Its totient is φ = 713638394280.

The previous prime is 1447666457213. The next prime is 1447666457257. The reversal of 1447666457252 is 2527546667441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1447666457191 and 1447666457200.

It is not an unprimeable number, because it can be changed into a prime (1447666457257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548708268 + ... + 2548708835.

It is an arithmetic number, because the mean of its divisors is an integer number (214091518368).

Almost surely, 2^{1447666457252} is an apocalyptic number.

It is an amenable number.

1447666457252 is a deficient number, since it is larger than the sum of its proper divisors (1121431763164).

1447666457252 is a wasteful number, since it uses less digits than its factorization.

1447666457252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097417178 (or 5097417176 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 59.

The spelling of 1447666457252 in words is "one trillion, four hundred forty-seven billion, six hundred sixty-six million, four hundred fifty-seven thousand, two hundred fifty-two".