6938658969 has 24 divisors (see below), whose sum is σ = 10237382400. Its totient is φ = 4176992160.

The previous prime is 6938658959. The next prime is 6938658973. The reversal of 6938658969 is 9698568396.

It is a de Polignac number, because none of the positive numbers 2^k-6938658969 is a prime.

It is a super-2 number, since 2×6938658969² = 96289976576168285922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6938658959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10057 + ... + 118230.

It is an arithmetic number, because the mean of its divisors is an integer number (426557600).

Almost surely, 2^6938658969 is an apocalyptic number.

It is an amenable number.

6938658969 is a deficient number, since it is larger than the sum of its proper divisors (3298723431).

6938658969 is a wasteful number, since it uses less digits than its factorization.

6938658969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128461 (or 128450 counting only the distinct ones).

The product of its digits is 151165440, while the sum is 69.

The square root of 6938658969 is about 83298.6132477606. The cubic root of 6938658969 is about 1907.3271064310.

The spelling of 6938658969 in words is "six billion, nine hundred thirty-eight million, six hundred fifty-eight thousand, nine hundred sixty-nine".