6901989235 has 4 divisors (see below), whose sum is σ = 8282387088. Its totient is φ = 5521591384.

The previous prime is 6901989217. The next prime is 6901989317. The reversal of 6901989235 is 5329891096.

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

It is a cyclic number.

It is not a de Polignac number, because 6901989235 - 2²⁹ = 6365118323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690198919 + ... + 690198928.

It is an arithmetic number, because the mean of its divisors is an integer number (2070596772).

Almost surely, 2^6901989235 is an apocalyptic number.

6901989235 is a deficient number, since it is larger than the sum of its proper divisors (1380397853).

6901989235 is a wasteful number, since it uses less digits than its factorization.

6901989235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380397852.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The square root of 6901989235 is about 83078.2115539327. The cubic root of 6901989235 is about 1903.9611942570.

The spelling of 6901989235 in words is "six billion, nine hundred one million, nine hundred eighty-nine thousand, two hundred thirty-five".