11464744499 has 4 divisors (see below), whose sum is σ = 12346647936. Its totient is φ = 10582841064.

The previous prime is 11464744481. The next prime is 11464744517. The reversal of 11464744499 is 99444746411.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (11464744481) and next prime (11464744517).

It is a cyclic number.

It is not a de Polignac number, because 11464744499 - 2¹² = 11464740403 is a prime.

It is a super-2 number, since 2×11464744499² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11464744499.

It is not an unprimeable number, because it can be changed into a prime (11464744439) 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, 440951699 + ... + 440951724.

It is an arithmetic number, because the mean of its divisors is an integer number (3086661984).

Almost surely, 2^11464744499 is an apocalyptic number.

11464744499 is a deficient number, since it is larger than the sum of its proper divisors (881903437).

11464744499 is an equidigital number, since it uses as much as digits as its factorization.

11464744499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881903436.

The product of its digits is 3483648, while the sum is 53.

The spelling of 11464744499 in words is "eleven billion, four hundred sixty-four million, seven hundred forty-four thousand, four hundred ninety-nine".