5206143006649 has 12 divisors (see below), whose sum is σ = 5743787571756. Its totient is φ = 4714997431872.

The previous prime is 5206143006637. The next prime is 5206143006653. The reversal of 5206143006649 is 9466003416025.

It can be written as a sum of positive squares in 6 ways, for example, as 1389758054400 + 3816384952249 = 1178880^2 + 1953557^2 .

It is not a de Polignac number, because 5206143006649 - 2¹³ = 5206142998457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5206143006599 and 5206143006608.

It is not an unprimeable number, because it can be changed into a prime (5206143006619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290609722 + ... + 290627635.

It is an arithmetic number, because the mean of its divisors is an integer number (478648964313).

Almost surely, 2^{5206143006649} is an apocalyptic number.

It is an amenable number.

5206143006649 is a deficient number, since it is larger than the sum of its proper divisors (537644565107).

5206143006649 is a wasteful number, since it uses less digits than its factorization.

5206143006649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581237436 (or 581237423 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 5206143006649 in words is "five trillion, two hundred six billion, one hundred forty-three million, six thousand, six hundred forty-nine".