1968705365 has 32 divisors (see below), whose sum is σ = 2614550400. Its totient is φ = 1411153920.

The previous prime is 1968705341. The next prime is 1968705367. The reversal of 1968705365 is 5635078691.

It is a happy number.

It is not a de Polignac number, because 1968705365 - 2⁶ = 1968705301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968705367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2559701 + ... + 2560469.

It is an arithmetic number, because the mean of its divisors is an integer number (81704700).

Almost surely, 2^1968705365 is an apocalyptic number.

It is an amenable number.

1968705365 is a deficient number, since it is larger than the sum of its proper divisors (645845035).

1968705365 is a wasteful number, since it uses less digits than its factorization.

1968705365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 1968705365 is about 44370.0953909274. The cubic root of 1968705365 is about 1253.3150119848.

The spelling of 1968705365 in words is "one billion, nine hundred sixty-eight million, seven hundred five thousand, three hundred sixty-five".