1536722847073 has 2 divisors, whose sum is σ = 1536722847074. Its totient is φ = 1536722847072.

The previous prime is 1536722846983. The next prime is 1536722847097. The reversal of 1536722847073 is 3707482276351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1166557685329 + 370165161744 = 1080073^2 + 608412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1536722847073 is a prime.

It is a super-2 number, since 2×1536722847073² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1536722857073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 768361423536 + 768361423537.

It is an arithmetic number, because the mean of its divisors is an integer number (768361423537).

Almost surely, 2^{1536722847073} is an apocalyptic number.

It is an amenable number.

1536722847073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1536722847073 is an equidigital number, since it uses as much as digits as its factorization.

1536722847073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11854080, while the sum is 55.

The spelling of 1536722847073 in words is "one trillion, five hundred thirty-six billion, seven hundred twenty-two million, eight hundred forty-seven thousand, seventy-three".