1934979841 has 4 divisors (see below), whose sum is σ = 1966700884. Its totient is φ = 1903258800.

The previous prime is 1934979803. The next prime is 1934979853. The reversal of 1934979841 is 1489794391.

1934979841 = 31104² + 31105².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1489794391 = 47 ⋅31697753.

It can be written as a sum of positive squares in 2 ways, for example, as 967458816 + 967521025 = 31104^2 + 31105^2 .

It is a cyclic number.

It is not a de Polignac number, because 1934979841 - 2¹⁹ = 1934455553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1934979041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15860430 + ... + 15860551.

It is an arithmetic number, because the mean of its divisors is an integer number (491675221).

Almost surely, 2^1934979841 is an apocalyptic number.

1934979841 is the 31105-th centered square number.

It is an amenable number.

1934979841 is a deficient number, since it is larger than the sum of its proper divisors (31721043).

1934979841 is an equidigital number, since it uses as much as digits as its factorization.

1934979841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31721042.

The product of its digits is 1959552, while the sum is 55.

The square root of 1934979841 is about 43988.4057565173. The cubic root of 1934979841 is about 1246.1169829798.

The spelling of 1934979841 in words is "one billion, nine hundred thirty-four million, nine hundred seventy-nine thousand, eight hundred forty-one".