10643269479 has 4 divisors (see below), whose sum is σ = 14191025976. Its totient is φ = 7095512984.

The previous prime is 10643269459. The next prime is 10643269487. The reversal of 10643269479 is 97496234601.

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 10643269479 - 2⁸ = 10643269223 is a prime.

It is a super-2 number, since 2×10643269479² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643269459) 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, 1773878244 + ... + 1773878249.

It is an arithmetic number, because the mean of its divisors is an integer number (3547756494).

Almost surely, 2^10643269479 is an apocalyptic number.

10643269479 is a deficient number, since it is larger than the sum of its proper divisors (3547756497).

10643269479 is an equidigital number, since it uses as much as digits as its factorization.

10643269479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547756496.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 10643269479 in words is "ten billion, six hundred forty-three million, two hundred sixty-nine thousand, four hundred seventy-nine".