7690649806 has 32 divisors (see below), whose sum is σ = 13391147520. Its totient is φ = 3244275936.

The previous prime is 7690649801. The next prime is 7690649807. The reversal of 7690649806 is 6089460967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7690649801) 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, 1675791 + ... + 1680373.

It is an arithmetic number, because the mean of its divisors is an integer number (418473360).

Almost surely, 2^7690649806 is an apocalyptic number.

7690649806 is a deficient number, since it is larger than the sum of its proper divisors (5700497714).

7690649806 is a wasteful number, since it uses less digits than its factorization.

7690649806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 7690649806 is about 87696.3500152657. The cubic root of 7690649806 is about 1973.8812063094.

The spelling of 7690649806 in words is "seven billion, six hundred ninety million, six hundred forty-nine thousand, eight hundred six".