28406110464669 has 8 divisors (see below), whose sum is σ = 43285501660480. Its totient is φ = 16232063122656.

The previous prime is 28406110464649. The next prime is 28406110464691. The reversal of 28406110464669 is 96646401160482.

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

It is not a de Polignac number, because 28406110464669 - 2⁵ = 28406110464637 is a prime.

It is a super-2 number, since 2×28406110464669² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28406110464649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676335963424 + ... + 676335963465.

It is an arithmetic number, because the mean of its divisors is an integer number (5410687707560).

Almost surely, 2^{28406110464669} is an apocalyptic number.

It is an amenable number.

28406110464669 is a deficient number, since it is larger than the sum of its proper divisors (14879391195811).

28406110464669 is a wasteful number, since it uses less digits than its factorization.

28406110464669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352671926899.

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 28406110464669 in words is "twenty-eight trillion, four hundred six billion, one hundred ten million, four hundred sixty-four thousand, six hundred sixty-nine".