1783872104029 has 2 divisors, whose sum is σ = 1783872104030. Its totient is φ = 1783872104028.

The previous prime is 1783872103967. The next prime is 1783872104033. The reversal of 1783872104029 is 9204012783871.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1727621072100 + 56251031929 = 1314390^2 + 237173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1783872104029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1783872104089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891936052014 + 891936052015.

It is an arithmetic number, because the mean of its divisors is an integer number (891936052015).

Almost surely, 2^{1783872104029} is an apocalyptic number.

It is an amenable number.

1783872104029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1783872104029 is an equidigital number, since it uses as much as digits as its factorization.

1783872104029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 1783872104029 in words is "one trillion, seven hundred eighty-three billion, eight hundred seventy-two million, one hundred four thousand, twenty-nine".