6900689430 has 64 divisors (see below), whose sum is σ = 18523814400. Its totient is φ = 1827986400.

The previous prime is 6900689417. The next prime is 6900689431. The reversal of 6900689430 is 349860096.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900689431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43860 + ... + 125399.

It is an arithmetic number, because the mean of its divisors is an integer number (289434600).

Almost surely, 2^6900689430 is an apocalyptic number.

6900689430 is an abundant number, since it is smaller than the sum of its proper divisors (11623124970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6900689430 is a wasteful number, since it uses less digits than its factorization.

6900689430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169426 (or 169420 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 6900689430 is about 83070.3884064593. The cubic root of 6900689430 is about 1903.8416667041.

The spelling of 6900689430 in words is "six billion, nine hundred million, six hundred eighty-nine thousand, four hundred thirty".