1934979853 has 2 divisors, whose sum is σ = 1934979854. Its totient is φ = 1934979852.

The previous prime is 1934979803. The next prime is 1934979863. The reversal of 1934979853 is 3589794391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 967645449 + 967334404 = 31107^2 + 31102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1934979853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1934979803) 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 as a sum of consecutive naturals, namely, 967489926 + 967489927.

It is an arithmetic number, because the mean of its divisors is an integer number (967489927).

Almost surely, 2^1934979853 is an apocalyptic number.

It is an amenable number.

1934979853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934979853 is an equidigital number, since it uses as much as digits as its factorization.

1934979853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 58.

The square root of 1934979853 is about 43988.4058929168. The cubic root of 1934979853 is about 1246.1169855558.

The spelling of 1934979853 in words is "one billion, nine hundred thirty-four million, nine hundred seventy-nine thousand, eight hundred fifty-three".