6255597813 has 8 divisors (see below), whose sum is σ = 8380327776. Its totient is φ = 4150633200.

The previous prime is 6255597793. The next prime is 6255597827. The reversal of 6255597813 is 3187955526.

It is a happy number.

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

It is not a de Polignac number, because 6255597813 - 2⁶ = 6255597749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6255597013) 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, 4940598 + ... + 4941863.

It is an arithmetic number, because the mean of its divisors is an integer number (1047540972).

Almost surely, 2^6255597813 is an apocalyptic number.

It is an amenable number.

6255597813 is a deficient number, since it is larger than the sum of its proper divisors (2124729963).

6255597813 is a wasteful number, since it uses less digits than its factorization.

6255597813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9882675.

The product of its digits is 2268000, while the sum is 51.

The square root of 6255597813 is about 79092.3372584222. The cubic root of 6255597813 is about 1842.5655190702.

The spelling of 6255597813 in words is "six billion, two hundred fifty-five million, five hundred ninety-seven thousand, eight hundred thirteen".