6457980939 has 8 divisors (see below), whose sum is σ = 8673493200. Its totient is φ = 4273894656.

The previous prime is 6457980937. The next prime is 6457980953. The reversal of 6457980939 is 9390897546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6457980939 - 2¹ = 6457980937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6457980937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7856014 + ... + 7856835.

It is an arithmetic number, because the mean of its divisors is an integer number (1084186650).

Almost surely, 2^6457980939 is an apocalyptic number.

6457980939 is a deficient number, since it is larger than the sum of its proper divisors (2215512261).

6457980939 is a wasteful number, since it uses less digits than its factorization.

6457980939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15712989.

The product of its (nonzero) digits is 14696640, while the sum is 60.

The square root of 6457980939 is about 80361.5638162922. The cubic root of 6457980939 is about 1862.2254299931.

The spelling of 6457980939 in words is "six billion, four hundred fifty-seven million, nine hundred eighty thousand, nine hundred thirty-nine".