11954695433 has 4 divisors (see below), whose sum is σ = 12366926340. Its totient is φ = 11542464528.

The previous prime is 11954695391. The next prime is 11954695453. The reversal of 11954695433 is 33459645911.

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 10129013449 + 1825681984 = 100643^2 + 42728^2 .

It is a cyclic number.

It is not a de Polignac number, because 11954695433 - 2⁶ = 11954695369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11954695453) 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, 206115410 + ... + 206115467.

It is an arithmetic number, because the mean of its divisors is an integer number (3091731585).

Almost surely, 2^11954695433 is an apocalyptic number.

It is an amenable number.

11954695433 is a deficient number, since it is larger than the sum of its proper divisors (412230907).

11954695433 is an equidigital number, since it uses as much as digits as its factorization.

11954695433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412230906.

The product of its digits is 1749600, while the sum is 50.

The spelling of 11954695433 in words is "eleven billion, nine hundred fifty-four million, six hundred ninety-five thousand, four hundred thirty-three".