73643110515353 has 2 divisors, whose sum is σ = 73643110515354. Its totient is φ = 73643110515352.

The previous prime is 73643110515277. The next prime is 73643110515389. The reversal of 73643110515353 is 35351501134637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46621078729369 + 27022031785984 = 6827963^2 + 5198272^2 .

It is an emirp because it is prime and its reverse (35351501134637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73643110515353 - 2²⁰ = 73643109466777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73643110515298 and 73643110515307.

It is not a weakly prime, because it can be changed into another prime (73643110515253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36821555257676 + 36821555257677.

It is an arithmetic number, because the mean of its divisors is an integer number (36821555257677).

Almost surely, 2^{73643110515353} is an apocalyptic number.

It is an amenable number.

73643110515353 is a deficient number, since it is larger than the sum of its proper divisors (1).

73643110515353 is an equidigital number, since it uses as much as digits as its factorization.

73643110515353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701000, while the sum is 47.

The spelling of 73643110515353 in words is "seventy-three trillion, six hundred forty-three billion, one hundred ten million, five hundred fifteen thousand, three hundred fifty-three".