6398412421499 has 16 divisors (see below), whose sum is σ = 7759733783040. Its totient is φ = 5156989728000.

The previous prime is 6398412421487. The next prime is 6398412421529. The reversal of 6398412421499 is 9941242148936.

It is a cyclic number.

It is not a de Polignac number, because 6398412421499 - 2¹² = 6398412417403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6398412426499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336784502 + ... + 336803499.

It is an arithmetic number, because the mean of its divisors is an integer number (484983361440).

Almost surely, 2^{6398412421499} is an apocalyptic number.

6398412421499 is a deficient number, since it is larger than the sum of its proper divisors (1361321361541).

6398412421499 is a wasteful number, since it uses less digits than its factorization.

6398412421499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673588090.

The product of its digits is 26873856, while the sum is 62.

The spelling of 6398412421499 in words is "six trillion, three hundred ninety-eight billion, four hundred twelve million, four hundred twenty-one thousand, four hundred ninety-nine".