6899331425 has 48 divisors (see below), whose sum is σ = 10477579392. Its totient is φ = 4398873600.

The previous prime is 6899331403. The next prime is 6899331427. The reversal of 6899331425 is 5241339986.

It is a happy number.

It is not a de Polignac number, because 6899331425 - 2⁸ = 6899331169 is a prime.

It is a super-2 number, since 2×6899331425² = 95201548223985061250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6899331427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232955 + ... + 260895.

It is an arithmetic number, because the mean of its divisors is an integer number (218282904).

Almost surely, 2^6899331425 is an apocalyptic number.

It is an amenable number.

6899331425 is a deficient number, since it is larger than the sum of its proper divisors (3578247967).

6899331425 is a wasteful number, since it uses less digits than its factorization.

6899331425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28058 (or 28053 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 50.

The square root of 6899331425 is about 83062.2141831049. The cubic root of 6899331425 is about 1903.7167711583.

The spelling of 6899331425 in words is "six billion, eight hundred ninety-nine million, three hundred thirty-one thousand, four hundred twenty-five".