1965698713 has 8 divisors (see below), whose sum is σ = 2257261920. Its totient is φ = 1692946080.

The previous prime is 1965698699. The next prime is 1965698731. The reversal of 1965698713 is 3178965691.

It is a happy number.

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 1965698713 - 2²⁵ = 1932144281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1965698743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4702420 + ... + 4702837.

It is an arithmetic number, because the mean of its divisors is an integer number (282157740).

Almost surely, 2^1965698713 is an apocalyptic number.

It is an amenable number.

1965698713 is a deficient number, since it is larger than the sum of its proper divisors (291563207).

1965698713 is a wasteful number, since it uses less digits than its factorization.

1965698713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405287.

The product of its digits is 2449440, while the sum is 55.

The square root of 1965698713 is about 44336.2009310676. The cubic root of 1965698713 is about 1252.6766564239.

The spelling of 1965698713 in words is "one billion, nine hundred sixty-five million, six hundred ninety-eight thousand, seven hundred thirteen".