5154647946 has 64 divisors (see below), whose sum is σ = 12211347456. Its totient is φ = 1419480000.

The previous prime is 5154647917. The next prime is 5154647951. The reversal of 5154647946 is 6497464515.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318916 + ... + 334688.

It is an arithmetic number, because the mean of its divisors is an integer number (190802304).

Almost surely, 2^5154647946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5154647946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6105673728).

5154647946 is an abundant number, since it is smaller than the sum of its proper divisors (7056699510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5154647946 is a wasteful number, since it uses less digits than its factorization.

5154647946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16067.

The product of its digits is 3628800, while the sum is 51.

The square root of 5154647946 is about 71795.8769428997. The cubic root of 5154647946 is about 1727.4268657985.

The spelling of 5154647946 in words is "five billion, one hundred fifty-four million, six hundred forty-seven thousand, nine hundred forty-six".