4913647551 has 48 divisors (see below), whose sum is σ = 7567747200. Its totient is φ = 3063479616.

The previous prime is 4913647523. The next prime is 4913647577. The reversal of 4913647551 is 1557463194.

4913647551 is a `hidden beast` number, since 4 + 91 + 3 + 6 + 4 + 7 + 551 = 666.

It is not a de Polignac number, because 4913647551 - 2¹⁴ = 4913631167 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4913647497 and 4913647506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4913747551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4821520 + ... + 4822538.

It is an arithmetic number, because the mean of its divisors is an integer number (157661400).

Almost surely, 2^4913647551 is an apocalyptic number.

4913647551 is a deficient number, since it is larger than the sum of its proper divisors (2654099649).

4913647551 is a wasteful number, since it uses less digits than its factorization.

4913647551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1377 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 4913647551 is about 70097.4147240824. The cubic root of 4913647551 is about 1700.0746854155.

The spelling of 4913647551 in words is "four billion, nine hundred thirteen million, six hundred forty-seven thousand, five hundred fifty-one".