6399258913123 has 8 divisors (see below), whose sum is σ = 6409005422400. Its totient is φ = 6389519822400.

The previous prime is 6399258913121. The next prime is 6399258913189. The reversal of 6399258913123 is 3213198529936.

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

It is a cyclic number.

It is not a de Polignac number, because 6399258913123 - 2¹ = 6399258913121 is a prime.

It is a super-2 number, since 2×6399258913123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6399258913121) 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, 126898 + ... + 3579751.

It is an arithmetic number, because the mean of its divisors is an integer number (801125677800).

Almost surely, 2^{6399258913123} is an apocalyptic number.

6399258913123 is a deficient number, since it is larger than the sum of its proper divisors (9746509277).

6399258913123 is a wasteful number, since it uses less digits than its factorization.

6399258913123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709277.

The product of its digits is 18895680, while the sum is 61.

The spelling of 6399258913123 in words is "six trillion, three hundred ninety-nine billion, two hundred fifty-eight million, nine hundred thirteen thousand, one hundred twenty-three".