68963149 has 2 divisors, whose sum is σ = 68963150. Its totient is φ = 68963148.

The previous prime is 68963143. The next prime is 68963221. The reversal of 68963149 is 94136986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66096900 + 2866249 = 8130^2 + 1693^2 .

It is a cyclic number.

It is not a de Polignac number, because 68963149 - 2⁷ = 68963021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68963099 and 68963108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68963143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34481574 + 34481575.

It is an arithmetic number, because the mean of its divisors is an integer number (34481575).

Almost surely, 2^68963149 is an apocalyptic number.

It is an amenable number.

68963149 is a deficient number, since it is larger than the sum of its proper divisors (1).

68963149 is an equidigital number, since it uses as much as digits as its factorization.

68963149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 46.

The square root of 68963149 is about 8304.4053971371. The cubic root of 68963149 is about 410.0835621867.

The spelling of 68963149 in words is "sixty-eight million, nine hundred sixty-three thousand, one hundred forty-nine".