10445750661 has 4 divisors (see below), whose sum is σ = 13927667552. Its totient is φ = 6963833772.

The previous prime is 10445750659. The next prime is 10445750663. The reversal of 10445750661 is 16605754401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10445750659) and next prime (10445750663).

It is not a de Polignac number, because 10445750661 - 2¹ = 10445750659 is a prime.

It is a super-2 number, since 2×10445750661² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10445750663) 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, 1740958441 + ... + 1740958446.

It is an arithmetic number, because the mean of its divisors is an integer number (3481916888).

Almost surely, 2^10445750661 is an apocalyptic number.

It is an amenable number.

10445750661 is a deficient number, since it is larger than the sum of its proper divisors (3481916891).

10445750661 is an equidigital number, since it uses as much as digits as its factorization.

10445750661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481916890.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 10445750661 in words is "ten billion, four hundred forty-five million, seven hundred fifty thousand, six hundred sixty-one".