2046064426561 has 2 divisors, whose sum is σ = 2046064426562. Its totient is φ = 2046064426560.

The previous prime is 2046064426501. The next prime is 2046064426573. The reversal of 2046064426561 is 1656244606402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1586541776400 + 459522650161 = 1259580^2 + 677881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2046064426561 - 2¹⁹ = 2046063902273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2046064426501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023032213280 + 1023032213281.

It is an arithmetic number, because the mean of its divisors is an integer number (1023032213281).

Almost surely, 2^{2046064426561} is an apocalyptic number.

It is an amenable number.

2046064426561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2046064426561 is an equidigital number, since it uses as much as digits as its factorization.

2046064426561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 2046064426561 in words is "two trillion, forty-six billion, sixty-four million, four hundred twenty-six thousand, five hundred sixty-one".