6989466479 has 16 divisors (see below), whose sum is σ = 7463793600. Its totient is φ = 6522324480.

The previous prime is 6989466467. The next prime is 6989466499. The reversal of 6989466479 is 9746649896.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6989466479 - 2⁸ = 6989466223 is a prime.

It is a super-2 number, since 2×6989466479² = 97705283322129314882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989466439) 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, 1596137 + ... + 1600509.

It is an arithmetic number, because the mean of its divisors is an integer number (466487100).

Almost surely, 2^6989466479 is an apocalyptic number.

6989466479 is a deficient number, since it is larger than the sum of its proper divisors (474327121).

6989466479 is a wasteful number, since it uses less digits than its factorization.

6989466479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5170.

The product of its digits is 141087744, while the sum is 68.

The square root of 6989466479 is about 83603.0291257440. The cubic root of 6989466479 is about 1911.9711819935.

The spelling of 6989466479 in words is "six billion, nine hundred eighty-nine million, four hundred sixty-six thousand, four hundred seventy-nine".