2546652206389 has 2 divisors, whose sum is σ = 2546652206390. Its totient is φ = 2546652206388.

The previous prime is 2546652206377. The next prime is 2546652206509. The reversal of 2546652206389 is 9836022566452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2417729559025 + 128922647364 = 1554905^2 + 359058^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546652206389 - 2⁷ = 2546652206261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2546652206339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273326103194 + 1273326103195.

It is an arithmetic number, because the mean of its divisors is an integer number (1273326103195).

Almost surely, 2^{2546652206389} is an apocalyptic number.

It is an amenable number.

2546652206389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546652206389 is an equidigital number, since it uses as much as digits as its factorization.

2546652206389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37324800, while the sum is 58.

The spelling of 2546652206389 in words is "two trillion, five hundred forty-six billion, six hundred fifty-two million, two hundred six thousand, three hundred eighty-nine".