64506102343 has 4 divisors (see below), whose sum is σ = 64511385120. Its totient is φ = 64500819568.

The previous prime is 64506102337. The next prime is 64506102413. The reversal of 64506102343 is 34320160546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64506102343 is a prime.

It is a super-2 number, since 2×64506102343² (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 = 64506102299 and 64506102308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64506102043) 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, 2623030 + ... + 2647507.

It is an arithmetic number, because the mean of its divisors is an integer number (16127846280).

Almost surely, 2^64506102343 is an apocalyptic number.

64506102343 is a deficient number, since it is larger than the sum of its proper divisors (5282777).

64506102343 is a wasteful number, since it uses less digits than its factorization.

64506102343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5282776.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 64506102343 its reverse (34320160546), we get a palindrome (98826262889).

The spelling of 64506102343 in words is "sixty-four billion, five hundred six million, one hundred two thousand, three hundred forty-three".