47638086619 has 6 divisors (see below), whose sum is σ = 48553880396. Its totient is φ = 46739252040.

The previous prime is 47638086599. The next prime is 47638086631. The reversal of 47638086619 is 91668083674.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-47638086619 is a prime.

It is a super-2 number, since 2×47638086619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47638086659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8476737 + ... + 8482354.

Almost surely, 2^47638086619 is an apocalyptic number.

47638086619 is a deficient number, since it is larger than the sum of its proper divisors (915793777).

47638086619 is an equidigital number, since it uses as much as digits as its factorization.

47638086619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16959197 (or 16959144 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 47638086619 in words is "forty-seven billion, six hundred thirty-eight million, eighty-six thousand, six hundred nineteen".