10645626503 has 4 divisors (see below), whose sum is σ = 10665304728. Its totient is φ = 10625948280.

The previous prime is 10645626479. The next prime is 10645626547. The reversal of 10645626503 is 30562654601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10645626503 - 2⁸ = 10645626247 is a prime.

It is a super-2 number, since 2×10645626503² (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 (10645626553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9838301 + ... + 9839382.

It is an arithmetic number, because the mean of its divisors is an integer number (2666326182).

Almost surely, 2^10645626503 is an apocalyptic number.

10645626503 is a deficient number, since it is larger than the sum of its proper divisors (19678225).

10645626503 is an equidigital number, since it uses as much as digits as its factorization.

10645626503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19678224.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 10645626503 in words is "ten billion, six hundred forty-five million, six hundred twenty-six thousand, five hundred three".