699113249 has 2 divisors, whose sum is σ = 699113250. Its totient is φ = 699113248.

The previous prime is 699113183. The next prime is 699113273. The reversal of 699113249 is 942311996.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600250000 + 98863249 = 24500^2 + 9943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-699113249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (699113549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349556624 + 349556625.

It is an arithmetic number, because the mean of its divisors is an integer number (349556625).

Almost surely, 2^699113249 is an apocalyptic number.

It is an amenable number.

699113249 is a deficient number, since it is larger than the sum of its proper divisors (1).

699113249 is an equidigital number, since it uses as much as digits as its factorization.

699113249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 44.

The square root of 699113249 is about 26440.7497813508. The cubic root of 699113249 is about 887.5289148551.

The spelling of 699113249 in words is "six hundred ninety-nine million, one hundred thirteen thousand, two hundred forty-nine".