1696996961 has 4 divisors (see below), whose sum is σ = 1851269424. Its totient is φ = 1542724500.

The previous prime is 1696996927. The next prime is 1696996969.

1696996961 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is not a de Polignac number, because 1696996961 - 2¹⁴ = 1696980577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1696996894 and 1696996903.

It is not an unprimeable number, because it can be changed into a prime (1696996969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77136215 + ... + 77136236.

It is an arithmetic number, because the mean of its divisors is an integer number (462817356).

Almost surely, 2^1696996961 is an apocalyptic number.

1696996961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1696996961 is a deficient number, since it is larger than the sum of its proper divisors (154272463).

1696996961 is a wasteful number, since it uses less digits than its factorization.

1696996961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154272462.

The product of its digits is 8503056, while the sum is 62.

The square root of 1696996961 is about 41194.6229622265. The cubic root of 1696996961 is about 1192.7800176017.

The spelling of 1696996961 in words is "one billion, six hundred ninety-six million, nine hundred ninety-six thousand, nine hundred sixty-one".