6379402309 has 8 divisors (see below), whose sum is σ = 7320999488. Its totient is φ = 5445368640.

The previous prime is 6379402279. The next prime is 6379402321. The reversal of 6379402309 is 9032049736.

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

It is a cyclic number.

It is not a de Polignac number, because 6379402309 - 2¹⁹ = 6378878021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6379402009) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1889067 + ... + 1892440.

It is an arithmetic number, because the mean of its divisors is an integer number (915124936).

Almost surely, 2^6379402309 is an apocalyptic number.

It is an amenable number.

6379402309 is a deficient number, since it is larger than the sum of its proper divisors (941597179).

6379402309 is a wasteful number, since it uses less digits than its factorization.

6379402309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781755.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 6379402309 is about 79871.1606839415. The cubic root of 6379402309 is about 1854.6416009011.

The spelling of 6379402309 in words is "six billion, three hundred seventy-nine million, four hundred two thousand, three hundred nine".