1954065745808 has 20 divisors (see below), whose sum is σ = 4130184417648. Its totient is φ = 888211702560.

The previous prime is 1954065745783. The next prime is 1954065745823. The reversal of 1954065745808 is 8085475604591.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5551322966 + ... + 5551323317.

Almost surely, 2^{1954065745808} is an apocalyptic number.

It is an amenable number.

1954065745808 is an abundant number, since it is smaller than the sum of its proper divisors (2176118671840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1954065745808 is a wasteful number, since it uses less digits than its factorization.

1954065745808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11102646302 (or 11102646296 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 62.

The spelling of 1954065745808 in words is "one trillion, nine hundred fifty-four billion, sixty-five million, seven hundred forty-five thousand, eight hundred eight".