2645478745462 has 16 divisors (see below), whose sum is σ = 4535183682720. Its totient is φ = 1133757289728.

The previous prime is 2645478745411. The next prime is 2645478745463.

It is a happy number.

2645478745462 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2645478745394 and 2645478745403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645478745463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742393 + ... + 2417044.

It is an arithmetic number, because the mean of its divisors is an integer number (283448980170).

Almost surely, 2^{2645478745462} is an apocalyptic number.

2645478745462 is a deficient number, since it is larger than the sum of its proper divisors (1889704937258).

2645478745462 is a wasteful number, since it uses less digits than its factorization.

2645478745462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219255.

The product of its digits is 361267200, while the sum is 64.

The spelling of 2645478745462 in words is "two trillion, six hundred forty-five billion, four hundred seventy-eight million, seven hundred forty-five thousand, four hundred sixty-two".