1617230412073 has 2 divisors, whose sum is σ = 1617230412074. Its totient is φ = 1617230412072.

The previous prime is 1617230412037. The next prime is 1617230412107. The reversal of 1617230412073 is 3702140327161.

Together with previous prime (1617230412037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1457592606864 + 159637805209 = 1207308^2 + 399547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1617230412073 - 2²⁹ = 1616693541161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1617230412773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808615206036 + 808615206037.

It is an arithmetic number, because the mean of its divisors is an integer number (808615206037).

Almost surely, 2^{1617230412073} is an apocalyptic number.

It is an amenable number.

1617230412073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1617230412073 is an equidigital number, since it uses as much as digits as its factorization.

1617230412073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 1617230412073 in words is "one trillion, six hundred seventeen billion, two hundred thirty million, four hundred twelve thousand, seventy-three".