2545344003405 has 32 divisors (see below), whose sum is σ = 4668154493184. Its totient is φ = 1160133037056.

The previous prime is 2545344003313. The next prime is 2545344003443. The reversal of 2545344003405 is 5043004435452.

It is not a de Polignac number, because 2545344003405 - 2⁷ = 2545344003277 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 35931042 + ... + 36001811.

It is an arithmetic number, because the mean of its divisors is an integer number (145879827912).

Almost surely, 2^{2545344003405} is an apocalyptic number.

It is an amenable number.

2545344003405 is a deficient number, since it is larger than the sum of its proper divisors (2122810489779).

2545344003405 is a wasteful number, since it uses less digits than its factorization.

2545344003405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71933205.

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 2545344003405 its reverse (5043004435452), we get a palindrome (7588348438857).

The spelling of 2545344003405 in words is "two trillion, five hundred forty-five billion, three hundred forty-four million, three thousand, four hundred five".