1648996099649 has 8 divisors (see below), whose sum is σ = 1649910783360. Its totient is φ = 1648081602000.

The previous prime is 1648996099609. The next prime is 1648996099651. The reversal of 1648996099649 is 9469906998461.

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 1648996099649 - 2²⁸ = 1648727664193 is a prime.

It is a super-2 number, since 2×1648996099649² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1648996099609) 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, 20034119 + ... + 20116259.

It is an arithmetic number, because the mean of its divisors is an integer number (206238847920).

Almost surely, 2^{1648996099649} is an apocalyptic number.

It is an amenable number.

1648996099649 is a deficient number, since it is larger than the sum of its proper divisors (914683711).

1648996099649 is an equidigital number, since it uses as much as digits as its factorization.

1648996099649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93031.

The product of its (nonzero) digits is 1632586752, while the sum is 80.

The spelling of 1648996099649 in words is "one trillion, six hundred forty-eight billion, nine hundred ninety-six million, ninety-nine thousand, six hundred forty-nine".