2239542759673 has 2 divisors, whose sum is σ = 2239542759674. Its totient is φ = 2239542759672.

The previous prime is 2239542759661. The next prime is 2239542759739. The reversal of 2239542759673 is 3769572459322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1298239196409 + 941303563264 = 1139403^2 + 970208^2 .

It is a cyclic number.

It is not a de Polignac number, because 2239542759673 - 2¹⁷ = 2239542628601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2239542759073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119771379836 + 1119771379837.

It is an arithmetic number, because the mean of its divisors is an integer number (1119771379837).

Almost surely, 2^{2239542759673} is an apocalyptic number.

It is an amenable number.

2239542759673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239542759673 is an equidigital number, since it uses as much as digits as its factorization.

2239542759673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 171460800, while the sum is 64.

The spelling of 2239542759673 in words is "two trillion, two hundred thirty-nine billion, five hundred forty-two million, seven hundred fifty-nine thousand, six hundred seventy-three".