19410622981 has 8 divisors (see below), whose sum is σ = 19512144000. Its totient is φ = 19309142160.

The previous prime is 19410622969. The next prime is 19410623033. The reversal of 19410622981 is 18922601491.

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 19410622981 - 2⁵ = 19410622949 is a prime.

It is a super-2 number, since 2×19410622981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19410622951) 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, 1733880 + ... + 1745038.

It is an arithmetic number, because the mean of its divisors is an integer number (2439018000).

Almost surely, 2^19410622981 is an apocalyptic number.

It is an amenable number.

19410622981 is a deficient number, since it is larger than the sum of its proper divisors (101521019).

19410622981 is a wasteful number, since it uses less digits than its factorization.

19410622981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20099.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 19410622981 in words is "nineteen billion, four hundred ten million, six hundred twenty-two thousand, nine hundred eighty-one".