1699485101 has 2 divisors, whose sum is σ = 1699485102. Its totient is φ = 1699485100.

The previous prime is 1699485061. The next prime is 1699485103. The reversal of 1699485101 is 1015849961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1584438025 + 115047076 = 39805^2 + 10726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1699485101 - 2²² = 1695290797 is a prime.

Together with 1699485103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1699485103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 849742550 + 849742551.

It is an arithmetic number, because the mean of its divisors is an integer number (849742551).

Almost surely, 2^1699485101 is an apocalyptic number.

It is an amenable number.

1699485101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1699485101 is an equidigital number, since it uses as much as digits as its factorization.

1699485101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 1699485101 is about 41224.8117157617. The cubic root of 1699485101 is about 1193.3626849950.

The spelling of 1699485101 in words is "one billion, six hundred ninety-nine million, four hundred eighty-five thousand, one hundred one".