11630388938 has 8 divisors (see below), whose sum is σ = 19937809632. Its totient is φ = 4984452396.

The previous prime is 11630388899. The next prime is 11630388971. The reversal of 11630388938 is 83988303611.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415371020 + ... + 415371047.

It is an arithmetic number, because the mean of its divisors is an integer number (2492226204).

Almost surely, 2^11630388938 is an apocalyptic number.

11630388938 is a deficient number, since it is larger than the sum of its proper divisors (8307420694).

11630388938 is an equidigital number, since it uses as much as digits as its factorization.

11630388938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830742076.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 11630388938 in words is "eleven billion, six hundred thirty million, three hundred eighty-eight thousand, nine hundred thirty-eight".