7694436138 has 8 divisors (see below), whose sum is σ = 15388872288. Its totient is φ = 2564812044.

The previous prime is 7694436131. The next prime is 7694436143. The reversal of 7694436138 is 8316344967.

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

7694436138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (7694436131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641203006 + ... + 641203017.

It is an arithmetic number, because the mean of its divisors is an integer number (1923609036).

Almost surely, 2^7694436138 is an apocalyptic number.

7694436138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7694436138 is a wasteful number, since it uses less digits than its factorization.

7694436138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282406028.

The product of its digits is 2612736, while the sum is 51.

The square root of 7694436138 is about 87717.9350988155. The cubic root of 7694436138 is about 1974.2050863274.

The spelling of 7694436138 in words is "seven billion, six hundred ninety-four million, four hundred thirty-six thousand, one hundred thirty-eight".