699965041 has 2 divisors, whose sum is σ = 699965042. Its totient is φ = 699965040.

The previous prime is 699965039. The next prime is 699965069. The reversal of 699965041 is 140569996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429691441 + 270273600 = 20729^2 + 16440^2 .

It is a cyclic number.

It is not a de Polignac number, because 699965041 - 2¹ = 699965039 is a prime.

Together with 699965039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (699365041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349982520 + 349982521.

It is an arithmetic number, because the mean of its divisors is an integer number (349982521).

Almost surely, 2^699965041 is an apocalyptic number.

It is an amenable number.

699965041 is a deficient number, since it is larger than the sum of its proper divisors (1).

699965041 is an equidigital number, since it uses as much as digits as its factorization.

699965041 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 699965041 is about 26456.8524393965. The cubic root of 699965041 is about 887.8892204318.

The spelling of 699965041 in words is "six hundred ninety-nine million, nine hundred sixty-five thousand, forty-one".