47748617619 has 8 divisors (see below), whose sum is σ = 66432859392. Its totient is φ = 30448393800.

The previous prime is 47748617617. The next prime is 47748617633. The reversal of 47748617619 is 91671684774.

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

It is not a de Polignac number, because 47748617619 - 2¹ = 47748617617 is a prime.

It is a super-2 number, since 2×47748617619² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47748617617) 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, 346004407 + ... + 346004544.

It is an arithmetic number, because the mean of its divisors is an integer number (8304107424).

Almost surely, 2^47748617619 is an apocalyptic number.

47748617619 is a deficient number, since it is larger than the sum of its proper divisors (18684241773).

47748617619 is a wasteful number, since it uses less digits than its factorization.

47748617619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692008977.

The product of its digits is 14224896, while the sum is 60.

The spelling of 47748617619 in words is "forty-seven billion, seven hundred forty-eight million, six hundred seventeen thousand, six hundred nineteen".