63366749 has 2 divisors, whose sum is σ = 63366750. Its totient is φ = 63366748.

The previous prime is 63366727. The next prime is 63366761. The reversal of 63366749 is 94766336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63313849 + 52900 = 7957^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 63366749 - 2²⁴ = 46589533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63366049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31683374 + 31683375.

It is an arithmetic number, because the mean of its divisors is an integer number (31683375).

Almost surely, 2^63366749 is an apocalyptic number.

It is an amenable number.

63366749 is a deficient number, since it is larger than the sum of its proper divisors (1).

63366749 is an equidigital number, since it uses as much as digits as its factorization.

63366749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 44.

The square root of 63366749 is about 7960.3234230777. The cubic root of 63366749 is about 398.6763518034.

The spelling of 63366749 in words is "sixty-three million, three hundred sixty-six thousand, seven hundred forty-nine".