1941654949 has 32 divisors (see below), whose sum is σ = 2282291424. Its totient is φ = 1635655680.

The previous prime is 1941654943. The next prime is 1941654959. The reversal of 1941654949 is 9494561491.

It can be written as a sum of positive squares in 16 ways, for example, as 1115092449 + 826562500 = 33393^2 + 28750^2 .

It is not a de Polignac number, because 1941654949 - 2¹⁹ = 1941130661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1941654896 and 1941654905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941654943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983127 + ... + 985099.

It is an arithmetic number, because the mean of its divisors is an integer number (71321607).

Almost surely, 2^1941654949 is an apocalyptic number.

It is an amenable number.

1941654949 is a deficient number, since it is larger than the sum of its proper divisors (340636475).

1941654949 is a wasteful number, since it uses less digits than its factorization.

1941654949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137.

The product of its digits is 1399680, while the sum is 52.

The square root of 1941654949 is about 44064.2139269498. The cubic root of 1941654949 is about 1247.5482500685.

The spelling of 1941654949 in words is "one billion, nine hundred forty-one million, six hundred fifty-four thousand, nine hundred forty-nine".