6840512554 has 8 divisors (see below), whose sum is σ = 10261132128. Its totient is φ = 3420135180.

The previous prime is 6840512527. The next prime is 6840512561. The reversal of 6840512554 is 4552150486.

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

It is a super-2 number, since 2×6840512554² = 93585224002863205832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51619 + ... + 127849.

It is an arithmetic number, because the mean of its divisors is an integer number (1282641516).

Almost surely, 2^6840512554 is an apocalyptic number.

6840512554 is a deficient number, since it is larger than the sum of its proper divisors (3420619574).

6840512554 is a wasteful number, since it uses less digits than its factorization.

6840512554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121100.

The product of its (nonzero) digits is 192000, while the sum is 40.

The square root of 6840512554 is about 82707.3911691089. The cubic root of 6840512554 is about 1898.2914052632.

The spelling of 6840512554 in words is "six billion, eight hundred forty million, five hundred twelve thousand, five hundred fifty-four".