63434243436 has 24 divisors (see below), whose sum is σ = 148021196400. Its totient is φ = 21143610432.

The previous prime is 63434243359. The next prime is 63434243441.

It is a happy number.

63434243436 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107790 + ... + 372138.

It is an arithmetic number, because the mean of its divisors is an integer number (6167549850).

Almost surely, 2^63434243436 is an apocalyptic number.

It is an amenable number.

63434243436 is an abundant number, since it is smaller than the sum of its proper divisors (84586952964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63434243436 is a wasteful number, since it uses less digits than its factorization.

63434243436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284353 (or 284351 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 42.

The spelling of 63434243436 in words is "sixty-three billion, four hundred thirty-four million, two hundred forty-three thousand, four hundred thirty-six".