7698491494 has 8 divisors (see below), whose sum is σ = 11579904720. Its totient is φ = 3838523256.

The previous prime is 7698491491. The next prime is 7698491503. The reversal of 7698491494 is 4941948967.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7698491491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5360349 + ... + 5361784.

It is an arithmetic number, because the mean of its divisors is an integer number (1447488090).

Almost surely, 2^7698491494 is an apocalyptic number.

7698491494 is a deficient number, since it is larger than the sum of its proper divisors (3881413226).

7698491494 is a wasteful number, since it uses less digits than its factorization.

7698491494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10722494.

The product of its digits is 15676416, while the sum is 61.

The square root of 7698491494 is about 87741.0479422260. The cubic root of 7698491494 is about 1974.5518606359.

The spelling of 7698491494 in words is "seven billion, six hundred ninety-eight million, four hundred ninety-one thousand, four hundred ninety-four".