10629726641 has 4 divisors (see below), whose sum is σ = 10630605300. Its totient is φ = 10628847984.

The previous prime is 10629726637. The next prime is 10629726647. The reversal of 10629726641 is 14662792601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14662792601 = 7549 ⋅1942349.

It can be written as a sum of positive squares in 2 ways, for example, as 5579492416 + 5050234225 = 74696^2 + 71065^2 .

It is a cyclic number.

It is not a de Polignac number, because 10629726641 - 2² = 10629726637 is a prime.

It is a super-2 number, since 2×10629726641² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10629726592 and 10629726601.

It is not an unprimeable number, because it can be changed into a prime (10629726647) 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, 420926 + ... + 445463.

It is an arithmetic number, because the mean of its divisors is an integer number (2657651325).

Almost surely, 2^10629726641 is an apocalyptic number.

It is an amenable number.

10629726641 is a deficient number, since it is larger than the sum of its proper divisors (878659).

10629726641 is an equidigital number, since it uses as much as digits as its factorization.

10629726641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878658.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 10629726641 in words is "ten billion, six hundred twenty-nine million, seven hundred twenty-six thousand, six hundred forty-one".