6900689429 has 4 divisors (see below), whose sum is σ = 6901712076. Its totient is φ = 6899666784.

The previous prime is 6900689417. The next prime is 6900689431. The reversal of 6900689429 is 9249860096.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3013790404 + 3886899025 = 54898^2 + 62345^2 .

It is a cyclic number.

It is not a de Polignac number, because 6900689429 - 2²⁸ = 6632253973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900689449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501134 + ... + 514719.

It is an arithmetic number, because the mean of its divisors is an integer number (1725428019).

Almost surely, 2^6900689429 is an apocalyptic number.

It is an amenable number.

6900689429 is a deficient number, since it is larger than the sum of its proper divisors (1022647).

6900689429 is a wasteful number, since it uses less digits than its factorization.

6900689429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022646.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 6900689429 is about 83070.3884004403. The cubic root of 6900689429 is about 1903.8416666122.

The spelling of 6900689429 in words is "six billion, nine hundred million, six hundred eighty-nine thousand, four hundred twenty-nine".