19014537853 has 2 divisors, whose sum is σ = 19014537854. Its totient is φ = 19014537852.

The previous prime is 19014537821. The next prime is 19014537889. The reversal of 19014537853 is 35873541091.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13443706809 + 5570831044 = 115947^2 + 74638^2 .

It is a cyclic number.

It is not a de Polignac number, because 19014537853 - 2⁵ = 19014537821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19014537653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9507268926 + 9507268927.

It is an arithmetic number, because the mean of its divisors is an integer number (9507268927).

Almost surely, 2^19014537853 is an apocalyptic number.

It is an amenable number.

19014537853 is a deficient number, since it is larger than the sum of its proper divisors (1).

19014537853 is an equidigital number, since it uses as much as digits as its factorization.

19014537853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 19014537853 in words is "nineteen billion, fourteen million, five hundred thirty-seven thousand, eight hundred fifty-three".