6340402393719 has 16 divisors (see below), whose sum is σ = 8527077445632. Its totient is φ = 4190383024128.

The previous prime is 6340402393697. The next prime is 6340402393723. The reversal of 6340402393719 is 9173932040436.

It is not a de Polignac number, because 6340402393719 - 2¹² = 6340402389623 is a prime.

It is a super-2 number, since 2×6340402393719² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340402393769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5996554 + ... + 6974199.

It is an arithmetic number, because the mean of its divisors is an integer number (532942340352).

Almost surely, 2^{6340402393719} is an apocalyptic number.

6340402393719 is a deficient number, since it is larger than the sum of its proper divisors (2186675051913).

6340402393719 is a wasteful number, since it uses less digits than its factorization.

6340402393719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12972166.

The product of its (nonzero) digits is 2939328, while the sum is 51.

The spelling of 6340402393719 in words is "six trillion, three hundred forty billion, four hundred two million, three hundred ninety-three thousand, seven hundred nineteen".