19783486653 has 16 divisors (see below), whose sum is σ = 31919575680. Its totient is φ = 10639858176.

The previous prime is 19783486643. The next prime is 19783486711. The reversal of 19783486653 is 35668438791.

It is not a de Polignac number, because 19783486653 - 2⁵ = 19783486621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19783486643) 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, 27707608 + ... + 27708321.

It is an arithmetic number, because the mean of its divisors is an integer number (1994973480).

Almost surely, 2^19783486653 is an apocalyptic number.

It is an amenable number.

19783486653 is a deficient number, since it is larger than the sum of its proper divisors (12136089027).

19783486653 is a wasteful number, since it uses less digits than its factorization.

19783486653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55415956.

The product of its digits is 26127360, while the sum is 60.

The spelling of 19783486653 in words is "nineteen billion, seven hundred eighty-three million, four hundred eighty-six thousand, six hundred fifty-three".