63615612343 has 4 divisors (see below), whose sum is σ = 63616138128. Its totient is φ = 63615086560.

The previous prime is 63615612311. The next prime is 63615612407. The reversal of 63615612343 is 34321651636.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 63615612343 - 2⁵ = 63615612311 is a prime.

It is a super-2 number, since 2×63615612343² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63615612296 and 63615612305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63615612043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20238 + ... + 357268.

It is an arithmetic number, because the mean of its divisors is an integer number (15904034532).

Almost surely, 2^63615612343 is an apocalyptic number.

63615612343 is a deficient number, since it is larger than the sum of its proper divisors (525785).

63615612343 is a wasteful number, since it uses less digits than its factorization.

63615612343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525784.

The product of its digits is 233280, while the sum is 40.

The spelling of 63615612343 in words is "sixty-three billion, six hundred fifteen million, six hundred twelve thousand, three hundred forty-three".