19080400001 has 16 divisors (see below), whose sum is σ = 21645456000. Its totient is φ = 16673465088.

The previous prime is 19080399997. The next prime is 19080400021. The reversal of 19080400001 is 10000408091.

It is a cyclic number.

It is not a de Polignac number, because 19080400001 - 2² = 19080399997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19080400001.

It is not an unprimeable number, because it can be changed into a prime (19080400021) 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, 317945 + ... + 373161.

It is an arithmetic number, because the mean of its divisors is an integer number (1352841000).

Almost surely, 2^19080400001 is an apocalyptic number.

It is an amenable number.

19080400001 is a deficient number, since it is larger than the sum of its proper divisors (2565055999).

19080400001 is a wasteful number, since it uses less digits than its factorization.

19080400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56648.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 19080400001 its reverse (10000408091), we get a palindrome (29080808092).

The spelling of 19080400001 in words is "nineteen billion, eighty million, four hundred thousand, one".