19090868626441 has 32 divisors (see below), whose sum is σ = 20571449057280. Its totient is φ = 17672408565504.

The previous prime is 19090868626439. The next prime is 19090868626477. The reversal of 19090868626441 is 14462686809091.

It is a cyclic number.

It is not a de Polignac number, because 19090868626441 - 2¹ = 19090868626439 is a prime.

It is a super-2 number, since 2×19090868626441² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19090868620441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353907450 + ... + 353961388.

It is an arithmetic number, because the mean of its divisors is an integer number (642857783040).

Almost surely, 2^{19090868626441} is an apocalyptic number.

It is an amenable number.

19090868626441 is a deficient number, since it is larger than the sum of its proper divisors (1480580430839).

19090868626441 is a wasteful number, since it uses less digits than its factorization.

19090868626441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57285.

The product of its (nonzero) digits is 35831808, while the sum is 64.

The spelling of 19090868626441 in words is "nineteen trillion, ninety billion, eight hundred sixty-eight million, six hundred twenty-six thousand, four hundred forty-one".