11843707393 has 4 divisors (see below), whose sum is σ = 13535665600. Its totient is φ = 10151749188.

The previous prime is 11843707321. The next prime is 11843707411. The reversal of 11843707393 is 39370734811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39370734811 = 647 ⋅60851213.

It is not a de Polignac number, because 11843707393 - 2⁹ = 11843706881 is a prime.

It is a super-2 number, since 2×11843707393² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11843707313) 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, 845979093 + ... + 845979106.

It is an arithmetic number, because the mean of its divisors is an integer number (3383916400).

Almost surely, 2^11843707393 is an apocalyptic number.

It is an amenable number.

11843707393 is a deficient number, since it is larger than the sum of its proper divisors (1691958207).

11843707393 is an equidigital number, since it uses as much as digits as its factorization.

11843707393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691958206.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 11843707393 in words is "eleven billion, eight hundred forty-three million, seven hundred seven thousand, three hundred ninety-three".