60699449 has 2 divisors, whose sum is σ = 60699450. Its totient is φ = 60699448.

The previous prime is 60699439. The next prime is 60699451. The reversal of 60699449 is 94499606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43626025 + 17073424 = 6605^2 + 4132^2 .

It is a cyclic number.

It is not a de Polignac number, because 60699449 - 2¹² = 60695353 is a prime.

Together with 60699451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60699439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30349724 + 30349725.

It is an arithmetic number, because the mean of its divisors is an integer number (30349725).

Almost surely, 2^60699449 is an apocalyptic number.

It is an amenable number.

60699449 is a deficient number, since it is larger than the sum of its proper divisors (1).

60699449 is an equidigital number, since it uses as much as digits as its factorization.

60699449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 60699449 is about 7790.9851110113. The cubic root of 60699449 is about 393.0021409324.

The spelling of 60699449 in words is "sixty million, six hundred ninety-nine thousand, four hundred forty-nine".