5309402782 has 4 divisors (see below), whose sum is σ = 7964104176. Its totient is φ = 2654701390.

The previous prime is 5309402773. The next prime is 5309402831. The reversal of 5309402782 is 2872049035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2872049035 = 5 ⋅574409807.

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 congruent 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 as a sum of consecutive naturals, namely, 1327350694 + ... + 1327350697.

It is an arithmetic number, because the mean of its divisors is an integer number (1991026044).

Almost surely, 2^5309402782 is an apocalyptic number.

5309402782 is a deficient number, since it is larger than the sum of its proper divisors (2654701394).

5309402782 is a wasteful number, since it uses less digits than its factorization.

5309402782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654701393.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 5309402782 is about 72865.6488477252. The cubic root of 5309402782 is about 1744.5438535371.

The spelling of 5309402782 in words is "five billion, three hundred nine million, four hundred two thousand, seven hundred eighty-two".