63385861319 has 8 divisors (see below), whose sum is σ = 71017083408. Its totient is φ = 56066117760.

The previous prime is 63385861261. The next prime is 63385861333. The reversal of 63385861319 is 91316858336.

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

It is a de Polignac number, because none of the positive numbers 2^k-63385861319 is a prime.

It is a super-2 number, since 2×63385861319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63385861339) 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, 77869202 + ... + 77870015.

It is an arithmetic number, because the mean of its divisors is an integer number (8877135426).

Almost surely, 2^63385861319 is an apocalyptic number.

63385861319 is a deficient number, since it is larger than the sum of its proper divisors (7631222089).

63385861319 is a wasteful number, since it uses less digits than its factorization.

63385861319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155739265.

The product of its digits is 2799360, while the sum is 53.

The spelling of 63385861319 in words is "sixty-three billion, three hundred eighty-five million, eight hundred sixty-one thousand, three hundred nineteen".