7639354816 has 28 divisors (see below), whose sum is σ = 15298435240. Its totient is φ = 3784631040.

The previous prime is 7639354763. The next prime is 7639354819. The reversal of 7639354816 is 6184539367.

It is a happy number.

It is a super-3 number, since 3×7639354816³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7639354819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540570 + ... + 554521.

Almost surely, 2^7639354816 is an apocalyptic number.

It is an amenable number.

7639354816 is an abundant number, since it is smaller than the sum of its proper divisors (7659080424).

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

7639354816 is a wasteful number, since it uses less digits than its factorization.

7639354816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095212 (or 1095202 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The square root of 7639354816 is about 87403.4027712880. The cubic root of 7639354816 is about 1969.4829580943.

The spelling of 7639354816 in words is "seven billion, six hundred thirty-nine million, three hundred fifty-four thousand, eight hundred sixteen".