6340715357 has 4 divisors (see below), whose sum is σ = 6342124860. Its totient is φ = 6339305856.

The previous prime is 6340715351. The next prime is 6340715393. The reversal of 6340715357 is 7535170436.

It is a happy number.

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 550418521 + 5790296836 = 23461^2 + 76094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6340715357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340715351) 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, 697982 + ... + 707007.

It is an arithmetic number, because the mean of its divisors is an integer number (1585531215).

Almost surely, 2^6340715357 is an apocalyptic number.

It is an amenable number.

6340715357 is a deficient number, since it is larger than the sum of its proper divisors (1409503).

6340715357 is a wasteful number, since it uses less digits than its factorization.

6340715357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409502.

The product of its (nonzero) digits is 264600, while the sum is 41.

The square root of 6340715357 is about 79628.6089103659. The cubic root of 6340715357 is about 1850.8849291555.

The spelling of 6340715357 in words is "six billion, three hundred forty million, seven hundred fifteen thousand, three hundred fifty-seven".