63641405433 has 8 divisors (see below), whose sum is σ = 86050351296. Its totient is φ = 41830031600.

The previous prime is 63641405423. The next prime is 63641405447. The reversal of 63641405433 is 33450414636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63641405433 - 2¹⁶ = 63641339897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63641405391 and 63641405400.

It is not an unprimeable number, because it can be changed into a prime (63641405413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149392758 + ... + 149393183.

It is an arithmetic number, because the mean of its divisors is an integer number (10756293912).

Almost surely, 2^63641405433 is an apocalyptic number.

It is an amenable number.

63641405433 is a deficient number, since it is larger than the sum of its proper divisors (22408945863).

63641405433 is a wasteful number, since it uses less digits than its factorization.

63641405433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298786015.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 63641405433 in words is "sixty-three billion, six hundred forty-one million, four hundred five thousand, four hundred thirty-three".