10438343651 has 4 divisors (see below), whose sum is σ = 10496658600. Its totient is φ = 10380028704.

The previous prime is 10438343647. The next prime is 10438343659. The reversal of 10438343651 is 15634383401.

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 10438343651 - 2² = 10438343647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10438343659) 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, 29157206 + ... + 29157563.

It is an arithmetic number, because the mean of its divisors is an integer number (2624164650).

Almost surely, 2^10438343651 is an apocalyptic number.

10438343651 is a deficient number, since it is larger than the sum of its proper divisors (58314949).

10438343651 is an equidigital number, since it uses as much as digits as its factorization.

10438343651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58314948.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 10438343651 in words is "ten billion, four hundred thirty-eight million, three hundred forty-three thousand, six hundred fifty-one".