1955366349 has 8 divisors (see below), whose sum is σ = 2621560032. Its totient is φ = 1296375120.

The previous prime is 1955366297. The next prime is 1955366359. The reversal of 1955366349 is 9436635591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1955366349 - 2⁷ = 1955366221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955366359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1799979 + ... + 1801064.

It is an arithmetic number, because the mean of its divisors is an integer number (327695004).

Almost surely, 2^1955366349 is an apocalyptic number.

It is an amenable number.

1955366349 is a deficient number, since it is larger than the sum of its proper divisors (666193683).

1955366349 is a wasteful number, since it uses less digits than its factorization.

1955366349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601227.

The product of its digits is 2624400, while the sum is 51.

The square root of 1955366349 is about 44219.5245225455. The cubic root of 1955366349 is about 1250.4779716645.

The spelling of 1955366349 in words is "one billion, nine hundred fifty-five million, three hundred sixty-six thousand, three hundred forty-nine".