1911726008468 has 6 divisors (see below), whose sum is σ = 3345520514826. Its totient is φ = 955863004232.

The previous prime is 1911726008443. The next prime is 1911726008473. The reversal of 1911726008468 is 8648006271191.

It can be written as a sum of positive squares in only one way, i.e., 1810348722064 + 101377286404 = 1345492^2 + 318398^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238965751055 + ... + 238965751062.

It is an arithmetic number, because the mean of its divisors is an integer number (557586752471).

Almost surely, 2^{1911726008468} is an apocalyptic number.

It is an amenable number.

1911726008468 is a deficient number, since it is larger than the sum of its proper divisors (1433794506358).

1911726008468 is a wasteful number, since it uses less digits than its factorization.

1911726008468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477931502121 (or 477931502119 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 1911726008468 in words is "one trillion, nine hundred eleven billion, seven hundred twenty-six million, eight thousand, four hundred sixty-eight".