11406019469 has 4 divisors (see below), whose sum is σ = 12283405596. Its totient is φ = 10528633344.

The previous prime is 11406019453. The next prime is 11406019517. The reversal of 11406019469 is 96491060411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3500142244 + 7905877225 = 59162^2 + 88915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11406019469 - 2⁴ = 11406019453 is a prime.

It is a super-2 number, since 2×11406019469² (a number of 21 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 (11406019169) 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, 438693044 + ... + 438693069.

It is an arithmetic number, because the mean of its divisors is an integer number (3070851399).

Almost surely, 2^11406019469 is an apocalyptic number.

It is an amenable number.

11406019469 is a deficient number, since it is larger than the sum of its proper divisors (877386127).

11406019469 is an equidigital number, since it uses as much as digits as its factorization.

11406019469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877386126.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 11406019469 in words is "eleven billion, four hundred six million, nineteen thousand, four hundred sixty-nine".