1920648058399 has 12 divisors (see below), whose sum is σ = 2261141608824. Its totient is φ = 1626435185424.

The previous prime is 1920648058391. The next prime is 1920648058403. The reversal of 1920648058399 is 9938508460291.

It is not a de Polignac number, because 1920648058399 - 2³ = 1920648058391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1920648058399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920648058391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236121832 + ... + 236129965.

It is an arithmetic number, because the mean of its divisors is an integer number (188428467402).

Almost surely, 2^{1920648058399} is an apocalyptic number.

1920648058399 is a deficient number, since it is larger than the sum of its proper divisors (340493550425).

1920648058399 is an equidigital number, since it uses as much as digits as its factorization.

1920648058399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472251894 (or 472251887 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 64.

The spelling of 1920648058399 in words is "one trillion, nine hundred twenty billion, six hundred forty-eight million, fifty-eight thousand, three hundred ninety-nine".