6891020102 has 8 divisors (see below), whose sum is σ = 10343777976. Its totient is φ = 3443094112.

The previous prime is 6891020077. The next prime is 6891020161. The reversal of 6891020102 is 2010201986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204403 + ... + 1210110.

It is an arithmetic number, because the mean of its divisors is an integer number (1292972247).

Almost surely, 2^6891020102 is an apocalyptic number.

6891020102 is a deficient number, since it is larger than the sum of its proper divisors (3452757874).

6891020102 is a wasteful number, since it uses less digits than its factorization.

6891020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415942.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 6891020102 is about 83012.1683971693. The cubic root of 6891020102 is about 1902.9520225285.

The spelling of 6891020102 in words is "six billion, eight hundred ninety-one million, twenty thousand, one hundred two".