1254783647648 has 96 divisors (see below), whose sum is σ = 2553209164800. Its totient is φ = 606781004544.

The previous prime is 1254783647603. The next prime is 1254783647653. The reversal of 1254783647648 is 8467463874521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30297611 + ... + 30338997.

It is an arithmetic number, because the mean of its divisors is an integer number (26595928800).

Almost surely, 2^{1254783647648} is an apocalyptic number.

It is an amenable number.

1254783647648 is an abundant number, since it is smaller than the sum of its proper divisors (1298425517152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1254783647648 is a wasteful number, since it uses less digits than its factorization.

1254783647648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41722 (or 41714 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 65.

The spelling of 1254783647648 in words is "one trillion, two hundred fifty-four billion, seven hundred eighty-three million, six hundred forty-seven thousand, six hundred forty-eight".