10549486538 has 4 divisors (see below), whose sum is σ = 15824229810. Its totient is φ = 5274743268.

The previous prime is 10549486537. The next prime is 10549486621. The reversal of 10549486538 is 83568494501.

10549486538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9681182449 + 868304089 = 98393^2 + 29467^2 .

It is a super-2 number, since 2×10549486538² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10549486538.

It is not an unprimeable number, because it can be changed into a prime (10549486531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2637371633 + ... + 2637371636.

Almost surely, 2^10549486538 is an apocalyptic number.

10549486538 is a deficient number, since it is larger than the sum of its proper divisors (5274743272).

10549486538 is an equidigital number, since it uses as much as digits as its factorization.

10549486538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274743271.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 10549486538 in words is "ten billion, five hundred forty-nine million, four hundred eighty-six thousand, five hundred thirty-eight".