2545646465452 has 6 divisors (see below), whose sum is σ = 4454881314548. Its totient is φ = 1272823232724.

The previous prime is 2545646465447. The next prime is 2545646465459.

It is a happy number.

2545646465452 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2545646465459) 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, 318205808178 + ... + 318205808185.

Almost surely, 2^{2545646465452} is an apocalyptic number.

It is an amenable number.

2545646465452 is a deficient number, since it is larger than the sum of its proper divisors (1909234849096).

2545646465452 is a wasteful number, since it uses less digits than its factorization.

2545646465452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636411616367 (or 636411616365 counting only the distinct ones).

The product of its digits is 138240000, while the sum is 58.

The spelling of 2545646465452 in words is "two trillion, five hundred forty-five billion, six hundred forty-six million, four hundred sixty-five thousand, four hundred fifty-two".