7563863138 has 16 divisors (see below), whose sum is σ = 12228066816. Its totient is φ = 3488294160.

The previous prime is 7563863117. The next prime is 7563863183. The reversal of 7563863138 is 8313683657.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79106 + ... + 146237.

It is an arithmetic number, because the mean of its divisors is an integer number (764254176).

Almost surely, 2^7563863138 is an apocalyptic number.

7563863138 is a deficient number, since it is larger than the sum of its proper divisors (4664203678).

7563863138 is a wasteful number, since it uses less digits than its factorization.

7563863138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226649.

The product of its digits is 2177280, while the sum is 50.

The square root of 7563863138 is about 86970.4727939316. The cubic root of 7563863138 is about 1962.9740302601.

The spelling of 7563863138 in words is "seven billion, five hundred sixty-three million, eight hundred sixty-three thousand, one hundred thirty-eight".