63432623436 has 192 divisors, whose sum is σ = 187429337088. Its totient is φ = 16247734272.

The previous prime is 63432623407. The next prime is 63432623467.

63432623436 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 63 ways as a sum of consecutive naturals, for example, 30019116 + ... + 30021228.

It is an arithmetic number, because the mean of its divisors is an integer number (976194464).

Almost surely, 2^63432623436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63432623436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93714668544).

63432623436 is an abundant number, since it is smaller than the sum of its proper divisors (123996713652).

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

63432623436 is a wasteful number, since it uses less digits than its factorization.

63432623436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920 (or 2918 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 42.

The spelling of 63432623436 in words is "sixty-three billion, four hundred thirty-two million, six hundred twenty-three thousand, four hundred thirty-six".