1648494945399 has 8 divisors (see below), whose sum is σ = 2198394156672. Its totient is φ = 1098796182200.

The previous prime is 1648494945353. The next prime is 1648494945401. The reversal of 1648494945399 is 9935494948461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1648494945399 - 2⁸ = 1648494945143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1648494945399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648494940399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50092827 + ... + 50125724.

It is an arithmetic number, because the mean of its divisors is an integer number (274799269584).

Almost surely, 2^{1648494945399} is an apocalyptic number.

1648494945399 is a deficient number, since it is larger than the sum of its proper divisors (549899211273).

1648494945399 is a wasteful number, since it uses less digits than its factorization.

1648494945399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100224037.

The product of its digits is 1209323520, while the sum is 75.

The spelling of 1648494945399 in words is "one trillion, six hundred forty-eight billion, four hundred ninety-four million, nine hundred forty-five thousand, three hundred ninety-nine".