2546652206465 has 4 divisors (see below), whose sum is σ = 3055982647764. Its totient is φ = 2037321765168.

The previous prime is 2546652206389. The next prime is 2546652206509. The reversal of 2546652206465 is 5646022566452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 854498720881 + 1692153485584 = 924391^2 + 1300828^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546652206465 - 2⁸ = 2546652206209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254665220642 + ... + 254665220651.

It is an arithmetic number, because the mean of its divisors is an integer number (763995661941).

Almost surely, 2^{2546652206465} is an apocalyptic number.

It is an amenable number.

2546652206465 is a deficient number, since it is larger than the sum of its proper divisors (509330441299).

2546652206465 is an equidigital number, since it uses as much as digits as its factorization.

2546652206465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509330441298.

The product of its (nonzero) digits is 20736000, while the sum is 53.

The spelling of 2546652206465 in words is "two trillion, five hundred forty-six billion, six hundred fifty-two million, two hundred six thousand, four hundred sixty-five".