1325822648634 has 64 divisors (see below), whose sum is σ = 3214340138880. Its totient is φ = 401736360960.

The previous prime is 1325822648603. The next prime is 1325822648641. The reversal of 1325822648634 is 4368462285231.

1325822648634 is a `hidden beast` number, since 1 + 3 + 2 + 582 + 26 + 4 + 8 + 6 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9396552 + ... + 9536604.

It is an arithmetic number, because the mean of its divisors is an integer number (50224064670).

Almost surely, 2^{1325822648634} is an apocalyptic number.

1325822648634 is an abundant number, since it is smaller than the sum of its proper divisors (1888517490246).

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

1325822648634 is a wasteful number, since it uses less digits than its factorization.

1325822648634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156012 (or 156006 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 54.

The spelling of 1325822648634 in words is "one trillion, three hundred twenty-five billion, eight hundred twenty-two million, six hundred forty-eight thousand, six hundred thirty-four".