7948549802 has 4 divisors (see below), whose sum is σ = 11922824706. Its totient is φ = 3974274900.

The previous prime is 7948549799. The next prime is 7948549811. The reversal of 7948549802 is 2089458497.

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

It can be written as a sum of positive squares in only one way, i.e., 7267392001 + 681157801 = 85249^2 + 26099^2 .

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, 1987137449 + ... + 1987137452.

Almost surely, 2^7948549802 is an apocalyptic number.

7948549802 is a deficient number, since it is larger than the sum of its proper divisors (3974274904).

7948549802 is a wasteful number, since it uses less digits than its factorization.

7948549802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974274903.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The square root of 7948549802 is about 89154.6398231747. The cubic root of 7948549802 is about 1995.7032591194.

The spelling of 7948549802 in words is "seven billion, nine hundred forty-eight million, five hundred forty-nine thousand, eight hundred two".