10638469154 has 8 divisors (see below), whose sum is σ = 15958147500. Its totient is φ = 5319086656.

The previous prime is 10638469147. The next prime is 10638469157. The reversal of 10638469154 is 45196483601.

10638469154 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6589055929 + 4049413225 = 81173^2 + 63635^2 .

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

It is a super-2 number, since 2×10638469154² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10638469099 and 10638469108.

It is not an unprimeable number, because it can be changed into a prime (10638469157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80222 + ... + 166470.

Almost surely, 2^10638469154 is an apocalyptic number.

10638469154 is a deficient number, since it is larger than the sum of its proper divisors (5319678346).

10638469154 is an equidigital number, since it uses as much as digits as its factorization.

10638469154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147924.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 10638469154 in words is "ten billion, six hundred thirty-eight million, four hundred sixty-nine thousand, one hundred fifty-four".