1966930573 has 4 divisors (see below), whose sum is σ = 1967287968. Its totient is φ = 1966573180.

The previous prime is 1966930571. The next prime is 1966930577. The reversal of 1966930573 is 3750396691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3750396691 = 1093 ⋅3431287.

It is a cyclic number.

It is not a de Polignac number, because 1966930573 - 2¹ = 1966930571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966930571) 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 3 ways as a sum of consecutive naturals, for example, 170311 + ... + 181492.

It is an arithmetic number, because the mean of its divisors is an integer number (491821992).

Almost surely, 2^1966930573 is an apocalyptic number.

It is an amenable number.

1966930573 is a deficient number, since it is larger than the sum of its proper divisors (357395).

1966930573 is an equidigital number, since it uses as much as digits as its factorization.

1966930573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357394.

The product of its (nonzero) digits is 918540, while the sum is 49.

The square root of 1966930573 is about 44350.0910145628. The cubic root of 1966930573 is about 1252.9382767189.

The spelling of 1966930573 in words is "one billion, nine hundred sixty-six million, nine hundred thirty thousand, five hundred seventy-three".