63243146069 has 6 divisors (see below), whose sum is σ = 66112400886. Its totient is φ = 60493443560.

The previous prime is 63243146059. The next prime is 63243146093. The reversal of 63243146069 is 96064134236.

It can be written as a sum of positive squares in only one way, i.e., 32639842225 + 30603303844 = 180665^2 + 174938^2 .

It is not a de Polignac number, because 63243146069 - 2⁴ = 63243146053 is a prime.

It is a super-2 number, since 2×63243146069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63243146009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59775602 + ... + 59776659.

It is an arithmetic number, because the mean of its divisors is an integer number (11018733481).

Almost surely, 2^63243146069 is an apocalyptic number.

It is an amenable number.

63243146069 is a deficient number, since it is larger than the sum of its proper divisors (2869254817).

63243146069 is a wasteful number, since it uses less digits than its factorization.

63243146069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119552307 (or 119552284 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 63243146069 in words is "sixty-three billion, two hundred forty-three million, one hundred forty-six thousand, sixty-nine".