5312454646 has 4 divisors (see below), whose sum is σ = 7968681972. Its totient is φ = 2656227322.

The previous prime is 5312454557. The next prime is 5312454683. The reversal of 5312454646 is 6464542135.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 5312454599 and 5312454608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328113660 + ... + 1328113663.

It is an arithmetic number, because the mean of its divisors is an integer number (1992170493).

Almost surely, 2^5312454646 is an apocalyptic number.

5312454646 is a deficient number, since it is larger than the sum of its proper divisors (2656227326).

5312454646 is a wasteful number, since it uses less digits than its factorization.

5312454646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656227325.

The product of its digits is 345600, while the sum is 40.

The square root of 5312454646 is about 72886.5875590290. The cubic root of 5312454646 is about 1744.8780462277.

The spelling of 5312454646 in words is "five billion, three hundred twelve million, four hundred fifty-four thousand, six hundred forty-six".