6406703513 has 8 divisors (see below), whose sum is σ = 7519837632. Its totient is φ = 5343042096.

The previous prime is 6406703491. The next prime is 6406703533. The reversal of 6406703513 is 3153076046.

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

It is not a de Polignac number, because 6406703513 - 2¹⁶ = 6406637977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6406703533) 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, 12367895 + ... + 12368412.

It is an arithmetic number, because the mean of its divisors is an integer number (939979704).

Almost surely, 2^6406703513 is an apocalyptic number.

It is an amenable number.

6406703513 is a deficient number, since it is larger than the sum of its proper divisors (1113134119).

6406703513 is a wasteful number, since it uses less digits than its factorization.

6406703513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24736351.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 6406703513 is about 80041.8859910235. The cubic root of 6406703513 is about 1857.2835354011.

Adding to 6406703513 its reverse (3153076046), we get a palindrome (9559779559).

The spelling of 6406703513 in words is "six billion, four hundred six million, seven hundred three thousand, five hundred thirteen".