63012769 has 2 divisors, whose sum is σ = 63012770. Its totient is φ = 63012768.

The previous prime is 63012667. The next prime is 63012787. The reversal of 63012769 is 96721036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43758225 + 19254544 = 6615^2 + 4388^2 .

It is a cyclic number.

It is not a de Polignac number, because 63012769 - 2²⁵ = 29458337 is a prime.

It is a super-2 number, since 2×63012769² = 7941218114094722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (63012269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31506384 + 31506385.

It is an arithmetic number, because the mean of its divisors is an integer number (31506385).

Almost surely, 2^63012769 is an apocalyptic number.

It is an amenable number.

63012769 is a deficient number, since it is larger than the sum of its proper divisors (1).

63012769 is an equidigital number, since it uses as much as digits as its factorization.

63012769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 63012769 is about 7938.0582638325. The cubic root of 63012769 is about 397.9326018210.

The spelling of 63012769 in words is "sixty-three million, twelve thousand, seven hundred sixty-nine".