6344669895742 has 4 divisors (see below), whose sum is σ = 9517004843616. Its totient is φ = 3172334947870.

The previous prime is 6344669895701. The next prime is 6344669895769. The reversal of 6344669895742 is 2475989664436.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6344669895742² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1586167473934 + ... + 1586167473937.

It is an arithmetic number, because the mean of its divisors is an integer number (2379251210904).

Almost surely, 2^{6344669895742} is an apocalyptic number.

6344669895742 is a deficient number, since it is larger than the sum of its proper divisors (3172334947874).

6344669895742 is a wasteful number, since it uses less digits than its factorization.

6344669895742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172334947873.

The product of its digits is 1881169920, while the sum is 73.

The spelling of 6344669895742 in words is "six trillion, three hundred forty-four billion, six hundred sixty-nine million, eight hundred ninety-five thousand, seven hundred forty-two".