479748791551 has 8 divisors (see below), whose sum is σ = 484226281440. Its totient is φ = 475275370752.

The previous prime is 479748791549. The next prime is 479748791569. The reversal of 479748791551 is 155197847974.

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

It is a cyclic number.

It is not a de Polignac number, because 479748791551 - 2¹ = 479748791549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479748791651) 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, 780115 + ... + 1252228.

It is an arithmetic number, because the mean of its divisors is an integer number (60528285180).

Almost surely, 2^479748791551 is an apocalyptic number.

479748791551 is a deficient number, since it is larger than the sum of its proper divisors (4477489889).

479748791551 is a wasteful number, since it uses less digits than its factorization.

479748791551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034545.

The product of its digits is 88905600, while the sum is 67.

The spelling of 479748791551 in words is "four hundred seventy-nine billion, seven hundred forty-eight million, seven hundred ninety-one thousand, five hundred fifty-one".