6986909854 has 16 divisors (see below), whose sum is σ = 10920906000. Its totient is φ = 3348366784.

The previous prime is 6986909803. The next prime is 6986909933. The reversal of 6986909854 is 4589096896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431704 + ... + 447595.

It is an arithmetic number, because the mean of its divisors is an integer number (682556625).

Almost surely, 2^6986909854 is an apocalyptic number.

6986909854 is a deficient number, since it is larger than the sum of its proper divisors (3933996146).

6986909854 is a wasteful number, since it uses less digits than its factorization.

6986909854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879467.

The product of its (nonzero) digits is 33592320, while the sum is 64.

The square root of 6986909854 is about 83587.7374619029. The cubic root of 6986909854 is about 1911.7380316539.

The spelling of 6986909854 in words is "six billion, nine hundred eighty-six million, nine hundred nine thousand, eight hundred fifty-four".