10350661553 has 4 divisors (see below), whose sum is σ = 10545957108. Its totient is φ = 10155366000.

The previous prime is 10350661543. The next prime is 10350661561. The reversal of 10350661553 is 35516605301.

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: 35516605301 = 739 ⋅48060359.

It can be written as a sum of positive squares in 2 ways, for example, as 3386425249 + 6964236304 = 58193^2 + 83452^2 .

It is a cyclic number.

It is not a de Polignac number, because 10350661553 - 2¹⁶ = 10350596017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10350661543) 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, 97647698 + ... + 97647803.

It is an arithmetic number, because the mean of its divisors is an integer number (2636489277).

Almost surely, 2^10350661553 is an apocalyptic number.

It is an amenable number.

10350661553 is a deficient number, since it is larger than the sum of its proper divisors (195295555).

10350661553 is an equidigital number, since it uses as much as digits as its factorization.

10350661553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195295554.

The product of its (nonzero) digits is 40500, while the sum is 35.

The spelling of 10350661553 in words is "ten billion, three hundred fifty million, six hundred sixty-one thousand, five hundred fifty-three".