6411974999 has 2 divisors, whose sum is σ = 6411975000. Its totient is φ = 6411974998.

The previous prime is 6411974963. The next prime is 6411975019. The reversal of 6411974999 is 9994791146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6411974999 - 2¹⁶ = 6411909463 is a prime.

It is a super-2 number, since 2×6411974999² = 82226846775602100002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6411974939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205987499 + 3205987500.

It is an arithmetic number, because the mean of its divisors is an integer number (3205987500).

Almost surely, 2^6411974999 is an apocalyptic number.

6411974999 is a deficient number, since it is larger than the sum of its proper divisors (1).

6411974999 is an equidigital number, since it uses as much as digits as its factorization.

6411974999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 59.

The square root of 6411974999 is about 80074.8087665528. The cubic root of 6411974999 is about 1857.7927915830.

The spelling of 6411974999 in words is "six billion, four hundred eleven million, nine hundred seventy-four thousand, nine hundred ninety-nine".