7685146990 has 16 divisors (see below), whose sum is σ = 14646986352. Its totient is φ = 2893231744.

The previous prime is 7685146981. The next prime is 7685147009. The reversal of 7685146990 is 996415867.

It is a super-2 number, since 2×7685146990² (a number of 21 digits) contains 22 as substring.

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, 22603204 + ... + 22603543.

It is an arithmetic number, because the mean of its divisors is an integer number (915436647).

Almost surely, 2^7685146990 is an apocalyptic number.

7685146990 is a deficient number, since it is larger than the sum of its proper divisors (6961839362).

7685146990 is a wasteful number, since it uses less digits than its factorization.

7685146990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45206771.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 7685146990 is about 87664.9701420128. The cubic root of 7685146990 is about 1973.4103099601.

The spelling of 7685146990 in words is "seven billion, six hundred eighty-five million, one hundred forty-six thousand, nine hundred ninety".