1968774601 has 8 divisors (see below), whose sum is σ = 1978746120. Its totient is φ = 1958815488.

The previous prime is 1968774589. The next prime is 1968774667. The reversal of 1968774601 is 1064778691.

It can be written as a sum of positive squares in 4 ways, for example, as 915123001 + 1053651600 = 30251^2 + 32460^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1968774601 - 2⁵ = 1968774569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1968774001) 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 7 ways as a sum of consecutive naturals, for example, 551715 + ... + 555271.

It is an arithmetic number, because the mean of its divisors is an integer number (247343265).

Almost surely, 2^1968774601 is an apocalyptic number.

It is an amenable number.

1968774601 is a deficient number, since it is larger than the sum of its proper divisors (9971519).

1968774601 is a wasteful number, since it uses less digits than its factorization.

1968774601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 1968774601 is about 44370.8755942454. The cubic root of 1968774601 is about 1253.3297041276.

The spelling of 1968774601 in words is "one billion, nine hundred sixty-eight million, seven hundred seventy-four thousand, six hundred one".