63909541229 has 4 divisors (see below), whose sum is σ = 63914093376. Its totient is φ = 63904989084.

The previous prime is 63909541211. The next prime is 63909541247. The reversal of 63909541229 is 92214590936.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (63909541211) and next prime (63909541247).

It is a cyclic number.

It is not a de Polignac number, because 63909541229 - 2³² = 59614573933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63909541429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254949 + ... + 2283114.

It is an arithmetic number, because the mean of its divisors is an integer number (15978523344).

Almost surely, 2^63909541229 is an apocalyptic number.

It is an amenable number.

63909541229 is a deficient number, since it is larger than the sum of its proper divisors (4552147).

63909541229 is a wasteful number, since it uses less digits than its factorization.

63909541229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552146.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 63909541229 in words is "sixty-three billion, nine hundred nine million, five hundred forty-one thousand, two hundred twenty-nine".