1955468243 has 4 divisors (see below), whose sum is σ = 1956505320. Its totient is φ = 1954431168.

The previous prime is 1955468237. The next prime is 1955468279. The reversal of 1955468243 is 3428645591.

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

It is a cyclic number.

It is not a de Polignac number, because 1955468243 - 2¹⁰ = 1955467219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1955468233) 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, 515705 + ... + 519482.

It is an arithmetic number, because the mean of its divisors is an integer number (489126330).

Almost surely, 2^1955468243 is an apocalyptic number.

1955468243 is a deficient number, since it is larger than the sum of its proper divisors (1037077).

1955468243 is a wasteful number, since it uses less digits than its factorization.

1955468243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037076.

The product of its digits is 1036800, while the sum is 47.

The square root of 1955468243 is about 44220.6766456598. The cubic root of 1955468243 is about 1250.4996920597.

The spelling of 1955468243 in words is "one billion, nine hundred fifty-five million, four hundred sixty-eight thousand, two hundred forty-three".