1648980578863 has 2 divisors, whose sum is σ = 1648980578864. Its totient is φ = 1648980578862.

The previous prime is 1648980578857. The next prime is 1648980578873. The reversal of 1648980578863 is 3688750898461.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1648980578863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1648980578813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824490289431 + 824490289432.

It is an arithmetic number, because the mean of its divisors is an integer number (824490289432).

Almost surely, 2^{1648980578863} is an apocalyptic number.

1648980578863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1648980578863 is an equidigital number, since it uses as much as digits as its factorization.

1648980578863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 557383680, while the sum is 73.

The spelling of 1648980578863 in words is "one trillion, six hundred forty-eight billion, nine hundred eighty million, five hundred seventy-eight thousand, eight hundred sixty-three".