63460452989 has 2 divisors, whose sum is σ = 63460452990. Its totient is φ = 63460452988.

The previous prime is 63460452959. The next prime is 63460453003. The reversal of 63460452989 is 98925406436.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63424392964 + 36060025 = 251842^2 + 6005^2 .

It is a cyclic number.

It is not a de Polignac number, because 63460452989 - 2⁸ = 63460452733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63460452959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31730226494 + 31730226495.

It is an arithmetic number, because the mean of its divisors is an integer number (31730226495).

Almost surely, 2^63460452989 is an apocalyptic number.

It is an amenable number.

63460452989 is a deficient number, since it is larger than the sum of its proper divisors (1).

63460452989 is an equidigital number, since it uses as much as digits as its factorization.

63460452989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 63460452989 in words is "sixty-three billion, four hundred sixty million, four hundred fifty-two thousand, nine hundred eighty-nine".