6450711013 has 4 divisors (see below), whose sum is σ = 6830164620. Its totient is φ = 6071257408.

The previous prime is 6450710999. The next prime is 6450711053. The reversal of 6450711013 is 3101170546.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3753155169 + 2697555844 = 61263^2 + 51938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6450711013 is a prime.

It is a super-2 number, since 2×6450711013² = 83223345146478972338, which 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 (6450711053) 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, 189726778 + ... + 189726811.

It is an arithmetic number, because the mean of its divisors is an integer number (1707541155).

Almost surely, 2^6450711013 is an apocalyptic number.

It is an amenable number.

6450711013 is a deficient number, since it is larger than the sum of its proper divisors (379453607).

6450711013 is a wasteful number, since it uses less digits than its factorization.

6450711013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379453606.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 6450711013 is about 80316.3184726491. The cubic root of 6450711013 is about 1861.5263815598.

Adding to 6450711013 its reverse (3101170546), we get a palindrome (9551881559).

The spelling of 6450711013 in words is "six billion, four hundred fifty million, seven hundred eleven thousand, thirteen".