1144466699 has 4 divisors (see below), whose sum is σ = 1144592664. Its totient is φ = 1144340736.

The previous prime is 1144466693. The next prime is 1144466747. The reversal of 1144466699 is 9966644411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9966644411 = 241 ⋅41355371.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144466699 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1144466693) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48197 + ... + 67910.

It is an arithmetic number, because the mean of its divisors is an integer number (286148166).

Almost surely, 2^1144466699 is an apocalyptic number.

1144466699 is a deficient number, since it is larger than the sum of its proper divisors (125965).

1144466699 is an equidigital number, since it uses as much as digits as its factorization.

1144466699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125964.

The product of its digits is 1119744, while the sum is 50.

The square root of 1144466699 is about 33829.9674696858. The cubic root of 1144466699 is about 1046.0065084102.

The spelling of 1144466699 in words is "one billion, one hundred forty-four million, four hundred sixty-six thousand, six hundred ninety-nine".