5245613423345 has 16 divisors (see below), whose sum is σ = 6313190763792. Its totient is φ = 4184193265920.

The previous prime is 5245613423339. The next prime is 5245613423423. The reversal of 5245613423345 is 5433243165425.

It can be written as a sum of positive squares in 8 ways, for example, as 1954549394704 + 3291064028641 = 1398052^2 + 1814129^2 .

It is not a de Polignac number, because 5245613423345 - 2³⁸ = 4970735516401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5245613423345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7149419 + ... + 7848911.

It is an arithmetic number, because the mean of its divisors is an integer number (394574422737).

Almost surely, 2^{5245613423345} is an apocalyptic number.

It is an amenable number.

5245613423345 is a deficient number, since it is larger than the sum of its proper divisors (1067577340447).

5245613423345 is a wasteful number, since it uses less digits than its factorization.

5245613423345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703892.

The product of its digits is 5184000, while the sum is 47.

The spelling of 5245613423345 in words is "five trillion, two hundred forty-five billion, six hundred thirteen million, four hundred twenty-three thousand, three hundred forty-five".