1696950901 has 2 divisors, whose sum is σ = 1696950902. Its totient is φ = 1696950900.

The previous prime is 1696950859. The next prime is 1696950917. The reversal of 1696950901 is 1090596961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 984327876 + 712623025 = 31374^2 + 26695^2 .

It is an emirp because it is prime and its reverse (1090596961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1696950901 - 2¹⁷ = 1696819829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1696950001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848475450 + 848475451.

It is an arithmetic number, because the mean of its divisors is an integer number (848475451).

Almost surely, 2^1696950901 is an apocalyptic number.

It is an amenable number.

1696950901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1696950901 is an equidigital number, since it uses as much as digits as its factorization.

1696950901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 1696950901 is about 41194.0639048880. The cubic root of 1696950901 is about 1192.7692260002.

The spelling of 1696950901 in words is "one billion, six hundred ninety-six million, nine hundred fifty thousand, nine hundred one".