19700676433729 has 8 divisors (see below), whose sum is σ = 19722078806760. Its totient is φ = 19679282798976.

The previous prime is 19700676433681. The next prime is 19700676433747. The reversal of 19700676433729 is 92733467600791.

It can be written as a sum of positive squares in 4 ways, for example, as 4452838530625 + 15247837903104 = 2110175^2 + 3904848^2 .

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 19700676433729 - 2²⁷ = 19700542216001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19700676433759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331999 + ... + 6696235.

It is an arithmetic number, because the mean of its divisors is an integer number (2465259850845).

Almost surely, 2^{19700676433729} is an apocalyptic number.

It is an amenable number.

19700676433729 is a deficient number, since it is larger than the sum of its proper divisors (21402373031).

19700676433729 is a wasteful number, since it uses less digits than its factorization.

19700676433729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369139.

The product of its (nonzero) digits is 72013536, while the sum is 64.

The spelling of 19700676433729 in words is "nineteen trillion, seven hundred billion, six hundred seventy-six million, four hundred thirty-three thousand, seven hundred twenty-nine".