63426379913 has 8 divisors (see below), whose sum is σ = 69893828928. Its totient is φ = 57185859024.

The previous prime is 63426379903. The next prime is 63426379943. The reversal of 63426379913 is 31997362436.

It is a happy number.

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 63426379913 - 2¹⁴ = 63426363529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63426379903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56731445 + ... + 56732562.

It is an arithmetic number, because the mean of its divisors is an integer number (8736728616).

Almost surely, 2^63426379913 is an apocalyptic number.

It is an amenable number.

63426379913 is a deficient number, since it is larger than the sum of its proper divisors (6467449015).

63426379913 is a wasteful number, since it uses less digits than its factorization.

63426379913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113464063.

The product of its digits is 4408992, while the sum is 53.

The spelling of 63426379913 in words is "sixty-three billion, four hundred twenty-six million, three hundred seventy-nine thousand, nine hundred thirteen".