1949641055 has 16 divisors (see below), whose sum is σ = 2361483264. Its totient is φ = 1545173280.

The previous prime is 1949641051. The next prime is 1949641063. The reversal of 1949641055 is 5501469491.

It is not a de Polignac number, because 1949641055 - 2² = 1949641051 is a prime.

It is a super-2 number, since 2×1949641055² = 7602200486683026050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1949640997 and 1949641015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949641051) 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 15 ways as a sum of consecutive naturals, for example, 231122 + ... + 239408.

It is an arithmetic number, because the mean of its divisors is an integer number (147592704).

Almost surely, 2^1949641055 is an apocalyptic number.

1949641055 is a deficient number, since it is larger than the sum of its proper divisors (411842209).

1949641055 is a wasteful number, since it uses less digits than its factorization.

1949641055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 1949641055 is about 44154.7398927907. The cubic root of 1949641055 is about 1249.2563160351.

The spelling of 1949641055 in words is "one billion, nine hundred forty-nine million, six hundred forty-one thousand, fifty-five".