699569041 has 2 divisors, whose sum is σ = 699569042. Its totient is φ = 699569040.

The previous prime is 699568979. The next prime is 699569047. The reversal of 699569041 is 140965996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436642816 + 262926225 = 20896^2 + 16215^2 .

It is a cyclic number.

It is not a de Polignac number, because 699569041 - 2⁷ = 699568913 is a prime.

It is not a weakly prime, because it can be changed into another prime (699569047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349784520 + 349784521.

It is an arithmetic number, because the mean of its divisors is an integer number (349784521).

Almost surely, 2^699569041 is an apocalyptic number.

It is an amenable number.

699569041 is a deficient number, since it is larger than the sum of its proper divisors (1).

699569041 is an equidigital number, since it uses as much as digits as its factorization.

699569041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 699569041 is about 26449.3674971633. The cubic root of 699569041 is about 887.7217499452.

The spelling of 699569041 in words is "six hundred ninety-nine million, five hundred sixty-nine thousand, forty-one".