1955426983 has 8 divisors (see below), whose sum is σ = 1988693168. Its totient is φ = 1922336064.

The previous prime is 1955426953. The next prime is 1955426987. The reversal of 1955426983 is 3896245591.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1955426983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1955426983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955426987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21216 + ... + 66037.

It is an arithmetic number, because the mean of its divisors is an integer number (248586646).

Almost surely, 2^1955426983 is an apocalyptic number.

1955426983 is a deficient number, since it is larger than the sum of its proper divisors (33266185).

1955426983 is an equidigital number, since it uses as much as digits as its factorization.

1955426983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87633.

The product of its digits is 2332800, while the sum is 52.

The square root of 1955426983 is about 44220.2101193561. The cubic root of 1955426983 is about 1250.4908968976.

The spelling of 1955426983 in words is "one billion, nine hundred fifty-five million, four hundred twenty-six thousand, nine hundred eighty-three".