1954485349 has 4 divisors (see below), whose sum is σ = 1954581964. Its totient is φ = 1954388736.

The previous prime is 1954485287. The next prime is 1954485361. The reversal of 1954485349 is 9435844591.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9435844591 = 41 ⋅230142551.

It can be written as a sum of positive squares in 2 ways, for example, as 1294920225 + 659565124 = 35985^2 + 25682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1954485349 - 2¹³ = 1954477157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1954485296 and 1954485305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954482349) 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 3 ways as a sum of consecutive naturals, for example, 5052 + ... + 62725.

It is an arithmetic number, because the mean of its divisors is an integer number (488645491).

Almost surely, 2^1954485349 is an apocalyptic number.

It is an amenable number.

1954485349 is a deficient number, since it is larger than the sum of its proper divisors (96615).

1954485349 is an equidigital number, since it uses as much as digits as its factorization.

1954485349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96614.

The product of its digits is 3110400, while the sum is 52.

The square root of 1954485349 is about 44209.5617372532. The cubic root of 1954485349 is about 1250.2901404363.

The spelling of 1954485349 in words is "one billion, nine hundred fifty-four million, four hundred eighty-five thousand, three hundred forty-nine".