1065263370538 has 8 divisors (see below), whose sum is σ = 1597899490020. Its totient is φ = 532630207200.

The previous prime is 1065263370533. The next prime is 1065263370557. The reversal of 1065263370538 is 8350733625601.

It can be written as a sum of positive squares in 2 ways, for example, as 1053798743209 + 11464627329 = 1026547^2 + 107073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1065263370538² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065263370491 and 1065263370500.

It is not an unprimeable number, because it can be changed into a prime (1065263370533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817638 + ... + 1673038.

Almost surely, 2^{1065263370538} is an apocalyptic number.

1065263370538 is a deficient number, since it is larger than the sum of its proper divisors (532636119482).

1065263370538 is an equidigital number, since it uses as much as digits as its factorization.

1065263370538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478072.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 1065263370538 in words is "one trillion, sixty-five billion, two hundred sixty-three million, three hundred seventy thousand, five hundred thirty-eight".