10438691455 has 8 divisors (see below), whose sum is σ = 12713391792. Its totient is φ = 8226311808.

The previous prime is 10438691443. The next prime is 10438691477. The reversal of 10438691455 is 55419683401.

10438691455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10438691455 - 2⁵ = 10438691423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15579802 + ... + 15580471.

It is an arithmetic number, because the mean of its divisors is an integer number (1589173974).

Almost surely, 2^10438691455 is an apocalyptic number.

10438691455 is a deficient number, since it is larger than the sum of its proper divisors (2274700337).

10438691455 is an equidigital number, since it uses as much as digits as its factorization.

10438691455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31160345.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 10438691455 in words is "ten billion, four hundred thirty-eight million, six hundred ninety-one thousand, four hundred fifty-five".