10626721459 has 16 divisors (see below), whose sum is σ = 11112192000. Its totient is φ = 10149412896.

The previous prime is 10626721423. The next prime is 10626721463. The reversal of 10626721459 is 95412762601.

It is a cyclic number.

It is not a de Polignac number, because 10626721459 - 2⁷ = 10626721331 is a prime.

It is a super-2 number, since 2×10626721459² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10626721409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4177542 + ... + 4180084.

It is an arithmetic number, because the mean of its divisors is an integer number (694512000).

Almost surely, 2^10626721459 is an apocalyptic number.

10626721459 is a deficient number, since it is larger than the sum of its proper divisors (485470541).

10626721459 is a wasteful number, since it uses less digits than its factorization.

10626721459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 10626721459 in words is "ten billion, six hundred twenty-six million, seven hundred twenty-one thousand, four hundred fifty-nine".