2661752952473 has 2 divisors, whose sum is σ = 2661752952474. Its totient is φ = 2661752952472.

The previous prime is 2661752952457. The next prime is 2661752952517. The reversal of 2661752952473 is 3742592571662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1545712833289 + 1116040119184 = 1243267^2 + 1056428^2 .

It is a cyclic number.

It is not a de Polignac number, because 2661752952473 - 2⁴ = 2661752952457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2661752952433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330876476236 + 1330876476237.

It is an arithmetic number, because the mean of its divisors is an integer number (1330876476237).

Almost surely, 2^{2661752952473} is an apocalyptic number.

It is an amenable number.

2661752952473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2661752952473 is an equidigital number, since it uses as much as digits as its factorization.

2661752952473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38102400, while the sum is 59.

The spelling of 2661752952473 in words is "two trillion, six hundred sixty-one billion, seven hundred fifty-two million, nine hundred fifty-two thousand, four hundred seventy-three".