1696896961 has 2 divisors, whose sum is σ = 1696896962. Its totient is φ = 1696896960.

The previous prime is 1696896953. The next prime is 1696896983. The reversal of 1696896961 is 1696986961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1614432400 + 82464561 = 40180^2 + 9081^2 .

It is a cyclic number.

It is not a de Polignac number, because 1696896961 - 2³ = 1696896953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1696896961.

It is not a weakly prime, because it can be changed into another prime (1696894961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848448480 + 848448481.

It is an arithmetic number, because the mean of its divisors is an integer number (848448481).

Almost surely, 2^1696896961 is an apocalyptic number.

It is an amenable number.

1696896961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1696896961 is an equidigital number, since it uses as much as digits as its factorization.

1696896961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7558272, while the sum is 61.

The square root of 1696896961 is about 41193.4091937048. The cubic root of 1696896961 is about 1192.7565879104.

Subtracting 1696896961 from its reverse (1696986961), we obtain a square (90000 = 300²).

The spelling of 1696896961 in words is "one billion, six hundred ninety-six million, eight hundred ninety-six thousand, nine hundred sixty-one".