8309743954 has 4 divisors (see below), whose sum is σ = 12464615934. Its totient is φ = 4154871976.

The previous prime is 8309743931. The next prime is 8309743979. The reversal of 8309743954 is 4593479038.

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., 7085093929 + 1224650025 = 84173^2 + 34995^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077435987 + ... + 2077435990.

Almost surely, 2^8309743954 is an apocalyptic number.

8309743954 is a deficient number, since it is larger than the sum of its proper divisors (4154871980).

8309743954 is a wasteful number, since it uses less digits than its factorization.

8309743954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154871979.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The square root of 8309743954 is about 91157.7970005857. The cubic root of 8309743954 is about 2025.4858523490.

The spelling of 8309743954 in words is "eight billion, three hundred nine million, seven hundred forty-three thousand, nine hundred fifty-four".