63425311352436 has 96 divisors (see below), whose sum is σ = 162882663422976. Its totient is φ = 19048805440000.

The previous prime is 63425311352419. The next prime is 63425311352437.

63425311352436 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63425311352437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358954711 + ... + 359131361.

It is an arithmetic number, because the mean of its divisors is an integer number (1696694410656).

Almost surely, 2^{63425311352436} is an apocalyptic number.

63425311352436 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63425311352436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81441331711488).

63425311352436 is an abundant number, since it is smaller than the sum of its proper divisors (99457352070540).

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

63425311352436 is a wasteful number, since it uses less digits than its factorization.

63425311352436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200853 (or 200851 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 48.

It can be divided in two parts, 6342531 and 1352436, that added together give a palindrome (7694967).

The spelling of 63425311352436 in words is "sixty-three trillion, four hundred twenty-five billion, three hundred eleven million, three hundred fifty-two thousand, four hundred thirty-six".