10530373618 has 4 divisors (see below), whose sum is σ = 15795560430. Its totient is φ = 5265186808.

The previous prime is 10530373583. The next prime is 10530373619. The reversal of 10530373618 is 81637303501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81637303501 = 13 ⋅6279792577.

It can be written as a sum of positive squares in only one way, i.e., 5787709929 + 4742663689 = 76077^2 + 68867^2 .

It is a super-2 number, since 2×10530373618² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10530373619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2632593403 + ... + 2632593406.

Almost surely, 2^10530373618 is an apocalyptic number.

10530373618 is a deficient number, since it is larger than the sum of its proper divisors (5265186812).

10530373618 is an equidigital number, since it uses as much as digits as its factorization.

10530373618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265186811.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 10530373618 in words is "ten billion, five hundred thirty million, three hundred seventy-three thousand, six hundred eighteen".