13045949820783 has 48 divisors (see below), whose sum is σ = 21343053588480. Its totient is φ = 7607354356800.

The previous prime is 13045949820767. The next prime is 13045949820791. The reversal of 13045949820783 is 38702894954031.

13045949820783 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 59 + 498 + 20 + 78 + 3 = 666.

It is not a de Polignac number, because 13045949820783 - 2⁴ = 13045949820767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13045949820783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13045949820283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11754843 + ... + 12816716.

It is an arithmetic number, because the mean of its divisors is an integer number (444646949760).

Almost surely, 2^{13045949820783} is an apocalyptic number.

13045949820783 is a deficient number, since it is larger than the sum of its proper divisors (8297103767697).

13045949820783 is a wasteful number, since it uses less digits than its factorization.

13045949820783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24571780 (or 24571777 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 13045949820783 in words is "thirteen trillion, forty-five billion, nine hundred forty-nine million, eight hundred twenty thousand, seven hundred eighty-three".