19629978283203 has 16 divisors (see below), whose sum is σ = 27312846408960. Its totient is φ = 12516946684704.

The previous prime is 19629978283189. The next prime is 19629978283217. The reversal of 19629978283203 is 30238287992691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19629978283189) and next prime (19629978283217).

It is not a de Polignac number, because 19629978283203 - 2⁸ = 19629978282947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (19629978283243) 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, 6980401 + ... + 9380082.

It is an arithmetic number, because the mean of its divisors is an integer number (1707052900560).

Almost surely, 2^{19629978283203} is an apocalyptic number.

19629978283203 is a deficient number, since it is larger than the sum of its proper divisors (7682868125757).

19629978283203 is a wasteful number, since it uses less digits than its factorization.

19629978283203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16377898.

The product of its (nonzero) digits is 141087744, while the sum is 69.

The spelling of 19629978283203 in words is "nineteen trillion, six hundred twenty-nine billion, nine hundred seventy-eight million, two hundred eighty-three thousand, two hundred three".