6858001690 has 32 divisors (see below), whose sum is σ = 12438074880. Its totient is φ = 2722434624.

The previous prime is 6858001681. The next prime is 6858001699. The reversal of 6858001690 is 961008586.

It is an interprime number because it is at equal distance from previous prime (6858001681) and next prime (6858001699).

It is a super-2 number, since 2×6858001690² = 94064374360085712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6858001699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296471 + ... + 1301749.

It is an arithmetic number, because the mean of its divisors is an integer number (388689840).

Almost surely, 2^6858001690 is an apocalyptic number.

6858001690 is a deficient number, since it is larger than the sum of its proper divisors (5580073190).

6858001690 is a wasteful number, since it uses less digits than its factorization.

6858001690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6246.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 6858001690 is about 82813.0526547597. The cubic root of 6858001690 is about 1899.9078154720.

The spelling of 6858001690 in words is "six billion, eight hundred fifty-eight million, one thousand, six hundred ninety".