1699632041 has 2 divisors, whose sum is σ = 1699632042. Its totient is φ = 1699632040.

The previous prime is 1699632017. The next prime is 1699632043. The reversal of 1699632041 is 1402369961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1672810000 + 26822041 = 40900^2 + 5179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1699632041 is a prime.

Together with 1699632043, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1699632041.

It is not a weakly prime, because it can be changed into another prime (1699632043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 849816020 + 849816021.

It is an arithmetic number, because the mean of its divisors is an integer number (849816021).

Almost surely, 2^1699632041 is an apocalyptic number.

It is an amenable number.

1699632041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1699632041 is an equidigital number, since it uses as much as digits as its factorization.

1699632041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1699632041 is about 41226.5938563932. The cubic root of 1699632041 is about 1193.3970773058.

The spelling of 1699632041 in words is "one billion, six hundred ninety-nine million, six hundred thirty-two thousand, forty-one".