7638135496 has 32 divisors (see below), whose sum is σ = 15412551480. Its totient is φ = 3535488000.

The previous prime is 7638135469. The next prime is 7638135497. The reversal of 7638135496 is 6945318367.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5847660900 + 1790474596 = 76470^2 + 42314^2 .

It is a super-2 number, since 2×7638135496² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7638135497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452055 + ... + 468646.

Almost surely, 2^7638135496 is an apocalyptic number.

It is an amenable number.

7638135496 is an abundant number, since it is smaller than the sum of its proper divisors (7774415984).

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

7638135496 is a wasteful number, since it uses less digits than its factorization.

7638135496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920785 (or 920781 counting only the distinct ones).

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

The square root of 7638135496 is about 87396.4272496307. The cubic root of 7638135496 is about 1969.3781692391.

The spelling of 7638135496 in words is "seven billion, six hundred thirty-eight million, one hundred thirty-five thousand, four hundred ninety-six".