68049413 has 2 divisors, whose sum is σ = 68049414. Its totient is φ = 68049412.

The previous prime is 68049389. The next prime is 68049473. The reversal of 68049413 is 31494086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43467649 + 24581764 = 6593^2 + 4958^2 .

It is a cyclic number.

It is not a de Polignac number, because 68049413 - 2¹⁰ = 68048389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68049473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34024706 + 34024707.

It is an arithmetic number, because the mean of its divisors is an integer number (34024707).

Almost surely, 2^68049413 is an apocalyptic number.

It is an amenable number.

68049413 is a deficient number, since it is larger than the sum of its proper divisors (1).

68049413 is an equidigital number, since it uses as much as digits as its factorization.

68049413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 68049413 is about 8249.2068103546. The cubic root of 68049413 is about 408.2643523440.

The spelling of 68049413 in words is "sixty-eight million, forty-nine thousand, four hundred thirteen".