6401387914 has 16 divisors (see below), whose sum is σ = 9659865600. Its totient is φ = 3181486960.

The previous prime is 6401387897. The next prime is 6401387929. The reversal of 6401387914 is 4197831046.

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 in 7 ways as a sum of consecutive naturals, for example, 229287 + ... + 255685.

It is an arithmetic number, because the mean of its divisors is an integer number (603741600).

Almost surely, 2^6401387914 is an apocalyptic number.

6401387914 is a deficient number, since it is larger than the sum of its proper divisors (3258477686).

6401387914 is a wasteful number, since it uses less digits than its factorization.

6401387914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27125.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 6401387914 is about 80008.6739922616. The cubic root of 6401387914 is about 1856.7697347055.

The spelling of 6401387914 in words is "six billion, four hundred one million, three hundred eighty-seven thousand, nine hundred fourteen".