1648831948495 has 16 divisors (see below), whose sum is σ = 2037930169248. Its totient is φ = 1279716485760.

The previous prime is 1648831948471. The next prime is 1648831948499. The reversal of 1648831948495 is 5948491388461.

It is not a de Polignac number, because 1648831948495 - 2⁷ = 1648831948367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648831948499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12778176 + ... + 12906565.

It is an arithmetic number, because the mean of its divisors is an integer number (127370635578).

Almost surely, 2^{1648831948495} is an apocalyptic number.

1648831948495 is a deficient number, since it is larger than the sum of its proper divisors (389098220753).

1648831948495 is a wasteful number, since it uses less digits than its factorization.

1648831948495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25685130.

The product of its digits is 238878720, while the sum is 70.

The spelling of 1648831948495 in words is "one trillion, six hundred forty-eight billion, eight hundred thirty-one million, nine hundred forty-eight thousand, four hundred ninety-five".