11905952393 has 4 divisors (see below), whose sum is σ = 11914966548. Its totient is φ = 11896938240.

The previous prime is 11905952371. The next prime is 11905952419. The reversal of 11905952393 is 39325950911.

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 7474121209 + 4431831184 = 86453^2 + 66572^2 .

It is a cyclic number.

It is not a de Polignac number, because 11905952393 - 2¹² = 11905948297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11905952293) 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, 4505096 + ... + 4507737.

It is an arithmetic number, because the mean of its divisors is an integer number (2978741637).

Almost surely, 2^11905952393 is an apocalyptic number.

It is an amenable number.

11905952393 is a deficient number, since it is larger than the sum of its proper divisors (9014155).

11905952393 is an equidigital number, since it uses as much as digits as its factorization.

11905952393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9014154.

The product of its (nonzero) digits is 328050, while the sum is 47.

The spelling of 11905952393 in words is "eleven billion, nine hundred five million, nine hundred fifty-two thousand, three hundred ninety-three".