63134749 has 2 divisors, whose sum is σ = 63134750. Its totient is φ = 63134748.

The previous prime is 63134737. The next prime is 63134767. The reversal of 63134749 is 94743136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41512249 + 21622500 = 6443^2 + 4650^2 .

It is a cyclic number.

It is not a de Polignac number, because 63134749 - 2¹¹ = 63132701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63134249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31567374 + 31567375.

It is an arithmetic number, because the mean of its divisors is an integer number (31567375).

Almost surely, 2^63134749 is an apocalyptic number.

It is an amenable number.

63134749 is a deficient number, since it is larger than the sum of its proper divisors (1).

63134749 is an equidigital number, since it uses as much as digits as its factorization.

63134749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 63134749 is about 7945.7377882737. The cubic root of 63134749 is about 398.1892087071.

The spelling of 63134749 in words is "sixty-three million, one hundred thirty-four thousand, seven hundred forty-nine".