10542306538 has 4 divisors (see below), whose sum is σ = 15813459810. Its totient is φ = 5271153268.

The previous prime is 10542306529. The next prime is 10542306539. The reversal of 10542306538 is 83560324501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83560324501 = 23 ⋅3633057587.

It can be written as a sum of positive squares in only one way, i.e., 10447497369 + 94809169 = 102213^2 + 9737^2 .

It is a super-2 number, since 2×10542306538² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10542306497 and 10542306506.

It is not an unprimeable number, because it can be changed into a prime (10542306539) by changing a digit.

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 as a sum of consecutive naturals, namely, 2635576633 + ... + 2635576636.

Almost surely, 2^10542306538 is an apocalyptic number.

10542306538 is a deficient number, since it is larger than the sum of its proper divisors (5271153272).

10542306538 is an equidigital number, since it uses as much as digits as its factorization.

10542306538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271153271.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 10542306538 in words is "ten billion, five hundred forty-two million, three hundred six thousand, five hundred thirty-eight".