6986424417 has 16 divisors (see below), whose sum is σ = 10647154560. Its totient is φ = 3991802112.

The previous prime is 6986424391. The next prime is 6986424427. The reversal of 6986424417 is 7144246896.

It is a happy number.

It is not a de Polignac number, because 6986424417 - 2¹⁰ = 6986423393 is a prime.

It is a super-2 number, since 2×6986424417² = 97620252268907579778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6986424417.

It is not an unprimeable number, because it can be changed into a prime (6986424427) 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, 332809 + ... + 353177.

It is an arithmetic number, because the mean of its divisors is an integer number (665447160).

Almost surely, 2^6986424417 is an apocalyptic number.

It is an amenable number.

6986424417 is a deficient number, since it is larger than the sum of its proper divisors (3660730143).

6986424417 is a wasteful number, since it uses less digits than its factorization.

6986424417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36712.

The product of its digits is 2322432, while the sum is 51.

The square root of 6986424417 is about 83584.8336541983. The cubic root of 6986424417 is about 1911.6937560066.

The spelling of 6986424417 in words is "six billion, nine hundred eighty-six million, four hundred twenty-four thousand, four hundred seventeen".